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7440-02-0 Usage

Potential Exposure

Nickel is used as an alloy additive in steel manufacture; in the production of coins and other utensils. Nickel forms alloys with copper, manganese, zinc, chromium, iron, molybdenum, etc. Stainless steel is the most widely used nickel alloy. An important nickel copper alloy is Monel metal, which contains 66% nickel and 32% copper and has excellent corrosion resistance properties. Permanent magnets are alloys chiefly of nickel, cobalt, aluminum, and iron. Elemental nickel is used in electroplating, anodizing aluminum casting operations for machine parts; and in coinage; in the manufacture of acid-resisting and magnetic alloys; magnetic tapes; surgical and dental instruments; nickel cadmium batteries; nickel soaps in crankcase oil; in ground-coat enamels; colored ceramics; and glass. It is used as a catalyst in the hydrogenation synthesis of acrylic esters for plastics. Exposure to nickel may also occur during mining, smelting, and refining operations. The route by which most people in the general population receive the largest portion of daily nickel intake is through food. Based on the available data from composite diet analysis, between 300 and 600 μg nickel per day are ingested. Fecal nickel analysis, a more accurate measure of dietary nickel intake, suggests about 300 μg per day. The highest level of nickel observed in water was 75 μg/L. Average drinking water levels are about 5 μg/L. A typical consumption of 2 L daily would yield an additional 10 μg of nickel, of which up to 1 μg would be absorbed.

Description

Nickel is a hard, silvery white, malleable metal chunk or grey powder. Nickel powder is pyrophoric – can ignite spontaneously. It may react violently with titanium, ammonium nitrate, potassium perchlorate, and hydrazoic acid. It is incompatible with acids, oxidising agents, and sulphur. The industrially important nickel compounds are nickel oxide (NiO), nickel acetate (Ni(C2H3O2), nickel carbonate (NiCO3), nickel carbonyl (Ni(CO)4), nickel subsulphide (NiS2), nickelocene (C5H5)2Ni, and nickel sulphate hexahydrate (NiSO4 · 6H2O). Nickel compounds have been well established as human carcinogens. Investigations into the molecular mechanisms of nickel carcinogenesis have revealed that not all nickel compounds are equally carcinogenic: certain water-insoluble nickel compounds exhibit potent carcinogenic activity, whereas highly water-soluble nickel compounds exhibit less potency. The reason for the high carcinogenic activity of certain water-insoluble nickel compounds relates to their bioavailability and the ability of the nickel ions to enter cells and reach chromatin. The water-insoluble nickel compounds enter cells quite efficiently via phagocytic processes and subsequent intracellular dissolution. Nickel is classified as a borderline metal ion because it has both soft and hard metal properties and it can bind to sulphur, nitrogen, and oxygen groups. Nickel ions are very similar in structure and coordination properties to magnesium.

Preparation

The carbonyl process is most commonly employed when very pure nickel is required. The impure metal is reacted with pure carbon monoxide at 50° and the carbonyl produced fractionated several times prior to pyrolysis at around 200°. The nickel thus obtained has a purity of 99.90-99.99% depending upon the materials used. Electrolytic methods for producing high purity nickel depend upon the production of high purity nickel salts. The nickel obtained by the electrolysis of pure nickel chloride solution with inert platinum-iridium anodes is 99.99% pure.

Reactions

At ordinary temperatures, bulk nickel in compact form has no perceptible reactivity with air or water. However, in finely-divided state, the metal reacts readily and can be pyrophoric under certain conditions. When heated in air at 400°C or with steam, nickel converts to its oxide, NiO. When heated with bromine vapors or chlorine gas, nickel catches fire forming nickel bromide, NiBr2, and yellow nickel chloride, NiCl2, respectively. Finely divided nickel combines with carbon monoxide to form zero valent nickel tetracarbonyl, Ni(CO)4. The reaction occurs at 50°C and one atmosphere, although it is usually carried out at 200°C under high CO pressure between 100 to 400 atm for high yield of carbonyl, and to prevent product decomposition. Carbon monoxide at ordinary pressure may be passed over freshly reduced metal to form the tetracarbonyl. Finely divided nickel absorbs a large volume of hydrogen at high temperatures. Even at ordinary temperatures, considerable occlusion of hydrogen occurs on to the metal surface and no definite composition of any hydride formed is known. The metal activates molecular hydrogen to its atomic state, contributing to its catalytic action in hydrogenation of unsaturated compounds. Dilute mineral acids attack nickel to a varying extent. The metal dissolves readily in dilute nitric acid. Evaporation of the solution forms emerald green crystals of nickel nitrate hexahydrate, Ni(NO3)2?6H2O. Actions of dilute hydrochloric and sulfuric acid on nickel are relatively slow: slower than on iron. Concentrated nitric acid passivates the metal, oxidizing it and forming a protective film on its surface which prevents any further reaction. Nickel is stable in caustic alkalies. At moderate temperatures, it decomposes gaseous ammonia into hydrogen and nitrogen. Nickel combines with sulfur, phosphorus, carbon, arsenic, antimony, and aluminum at elevated temperatures. Fusion of nickel powder with molten sulfur yields nickel sulfide, NiS. Reaction with aluminum can be explosive at 1,300°C, forming nickelaluminum intermetallic products of varying compositions. Nickel powder combines with carbon dioxide in ammonia solution forming nickel carbonate. Boiling the solution to expel ammonia precipitates pure carbonate, NiCO3. Fine nickel powder reacts with sulfamic acid in hot aqueous solution under controlled conditions, forming nickel sulfamate tetrahydrate, Ni(SO3NH2)2?4H2O, used in electroplating baths.

Safety Profile

Confirmed carcinogen with experimental carcinogenic, neoplastigenic, and tumorigenic data. Poison by ingestion, intratracheal, intraperitoneal, subcutaneous, and intravenous routes. An experimental teratogen. Ingestion of soluble salts causes nausea, vomiting, and diarrhea. Mutation data reported. Hypersensitivity to nickel is common and can cause allergic contact dermatitis, pulmonary asthma, conjunctivitis, and inflammatory reactions around nickel-containing medcal implants and prostheses. Powders may ignite spontaneously in air. Reacts violently with F2, NH4NO3, hydrazine, NH3, (H2 + dioxane), performic acid, P, Se, S, (Ti + KCLO3). Incompatible with oxidants (e.g., bromine pentafluoride, peroxyformic acid, potassium perchlorate, chlorine, nitryl fluoride, ammonium nitrate), Raney-nickel catalysts may initiate hazardous reactions with ethylene + aluminum chloride, pdioxane, hydrogen, hydrogen + oxygen, magnesium silicate, methanol, organic solvents + heat, sulfur compounds. Nickel catalysts have caused many industrial accidents.

Health Hazard

Ingestion of nickel can cause hyperglycemia,depression of the central nervous system,myocardial weakness, and kidney damage.A subcutaneous lethal dose in rabbits isin the range 10 mg/kg. The oral toxicityof the metal, however, is very low. Skincontact can lead to dermatitis and “nickelitch,” a chronic eczema, caused by dermalhypersensitivity reactions. Nickel itch mayresult from wearing pierced earrings. Inhalationof metal dusts can produce irritation ofthe nose and respiratory tract. Nickel andsome of its compounds have been reportedto cause lung cancer in experimental animals.It may also induce cancer in nose,stomach, and possibly the kidney. The experimentaldata on the latter, are not fully confirmative.Nickel refinery flue dust, nickelsulfide (Ni3S2) , and nickeloxide (NiO) produced localizedtumors in experimental animals wheninjected intramuscularly. IARC has classifiednickel and its compounds as carcinogenicto humans (IARC 1990). Inhalation ofmetal dusts can produce lung and sinus cancersin humans, with a latent period of about25 years. Nickel is susceptible to cross human placentaand produce teratogenesis and embroytoxicity. In vitro study on lipid peroxidationindicated that nickel induced peroxidativedamage to placental membrane causing decreased placental viability, altered permeabilityand subsequent embroy toxicity (Chenand Lin 1998). In a latter study, Chen et al.(2003) evaluated nickel-induced oxidativestress and effects of antioxidants in humanlymphocytes. The levels of intracellular reactiveoxygen species, lipid peroxidation andhydroxyl radicals were examined for one hourfollowing acute treatment with Nicl2. Thestudy showed that glutathione, catalase andmannitol each provided protection against theoxidative stress induced by Ni. The efficacy of organic chelating ligandsin cleaning human skin contaminated withnickel has been investigated (Healy et al.1998). Commercial liquid soap added withL-histidine was found to be more effectivethan the untreated soap. Similarly sodiumethylenediamine tetraacetic acid (EDTA)salt or L-histidine added to phosphate buffersaline solution was more effective in cleaningnickel contaminated human skin than thephosphate saline alone.

Production

Nickel usually is recovered from its sulfide ore, pentlandite (Ni,Fe)9S16. Although laterite type oxide ores sometimes are used as starting materials, pentlandite is used in many commercial operations. Pentlandite often is found in nature associated with other sulfide minerals, such as pyrrhotite, Fe7S8,and chalcopyrite, CuFeS2. The ores are crushed and powdered. Sulfides are separated from gangue by froth flotation or magnetic separation processes. After this, the ore is subjected to roasting and smelting. These steps are carried out initially in rotary kilns or multihearth furnaces and then smelting is done in either blast furnaces or reverberatory, or arc furnaces. Most sulfur is removed as sulfur dioxide. Iron and other oxides produced in roasting are also removed along with siliceous slag during smelting. A matte obtained after smelting usually contains impure nickel-iron-copper sulfides and sulfur. The molten matte is treated with silica and an air blower in a converter in the Bessemerizing stage to remove all remaining iron and sulfur. Copper-nickel matte obtained in this stage is allowed to cool slowly over a few days to separate mineral crystals of copper sulfide, nickel sulfide and nickel-copper alloy. The cool matte is pulverized to isolate sulfides of nickel and copper by froth flotation. Nickel-copper alloy is extracted by magnetic separation. Nickel metal is obtained from the nickel sulfide by electrolysis using crude nickel sulfide cast into anodes and nickel-plated stainless steel cathodes. Alternatively, nickel sulfide is roasted to nickel oxide, which then is reduced to crude nickel and is electrorefined as above. Two other refining processes are also frequently employed. One involves hydrometallurgical refining in which sulfide concentrates are leached with ammonia solution to convert the copper, nickel, and cobalt sulfides into their complex amines. Copper is precipitated from this solution upon heating. Under such conditions, the sulfide-amine mixture of nickel and cobalt are oxidized to their sulfates. The sulfates then are reduced to metallic nickel and cobalt by heating with hydrogen at elevated temperatures under pressure. The metals are obtained in their powder form. The more common carbonyl refining process involves reaction of crude nickel with carbon monoxide under pressure at 100°C to form nickel tetracarbonyl, Ni(CO)4. The liquid tetracarbonyl upon heating at 300°C decomposes to nickel metal and carbon monoxide. Very pure nickel can be obtained by the carbonyl refining processes, as no other metal forms a similar carbonyl under these conditions.

Shipping

UN3089 Metal powders, flammable, n.o.s., Hazard Class: 4.1; Labels: 4.1-Flammable solid. UN3077 Environmentally hazardous substances, solid, n.o.s., Hazard Class: 9; Labels: 9-Miscellaneous hazardous material, Technical Name Required.

Uses

The most common use of nickel is as an alloy metal with iron and steel to make stainlesssteel, which contains from 5% to 15% nickel. The higher the percentage of nickel in stainlesssteel, the greater the steel’s resistance to corrosion—particularly when exposed to seawater.Nickel is also alloyed with copper to make Monel metal, which was widely used before stainless steel became more economical and practical. It was used for many purposes as varied ashousehold appliances and general manufacturing. Nickel is also used to electroplate othermetals to provide a noncorrosive protective and attractive finish.

Air & Water Reactions

Pyrophoric, Ignites spontaneously in the presence of air; during storage, H2 escapes with fire and explosion hazards; reacts violently with acids forming H2. [Handling Chemicals Safely 1980. p. 807].

Origin of Name

The name is derived from the ore niccolite, meaning “Old Nick,” referred to as the devil by German miners. The niccolite mineral ore was also called “kupfernickel,” which in German stands for two things; first, it is the name of a gnome (similar to Cobalt), and second, it refers to “Old Nick’s false copper.”

Agricultural Uses

Nickel (Ni) is a silver-white, ductile, malleable, yet tough metallic element of Group 10 (formerly Group VIII) of the Periodic Table. Mostly, nickel goes into the making of steel and other corrosion resistant alloys. Finely divided nickel is used as a hydrogenation catalyst. Nickel is a beneficial trace element for plants. Its presence in the urease enzyme underlines its importance as a functional element. It is essential for grain viability, in barley and at concentrations less than 100 μg/kg, the grain level and the germination frequency decrease progressively. The quantity of Ni in a few fertilizers is as given: 2 ppm in nitrochalk, 13 ppm in superphosphate and 10 ppm in FYM. Nickel is the metal component of urease that hydrolyzes urea to give ammonia and carbon dioxide. Compounds that react with nickel in the urease molecule inhibit the hydrolysis of urea. Nickel enhances the nodule weight and the seed yield of soybeans, chickpeas and temperate cereals. It is present in plants in the range of 0.1 to 1O ppm of the dry weight. High levels of Ni may induce Zn or Fe deficiency because of cation competition, and may create nickel toxicity. The browning and necrosis of the leaf tips and margins are the toxicity symptoms on the plant. High Ni content also causes the distortion of young leaves and the death of the terminal shoots of the plant. The emerging leaves may fail to unroll and become necrotic, with the necrosis starting from near the base and spreading toward the leaf tip. Nickel toxicity in cereals and grasses varies in the intensity of chlorosis along the length of the leaf with a series of transverse bands. Sewage sludge contains heavy metals like Ni, Cd, etc. that are absorbed by plants grown in soils contaminated with these heavy metals. The toxicity caused by these metals is in turn, passed on to animals that feed on such plants. Any regulation for sludge use should ensure that the soil pH is not lower than 6.5, as heavy metals are insoluble at pH greater than 6.5.

Chemical Properties

silver white, hard, malleable metal chunks or grey powder

Incompatibilities

Nickel dust is a spontaneously flammable solid and a dangerous fire hazard.

Definition

ChEBI: Chemical element (nickel group element atom) with atomic number 28.

Occurrence

Nickel is the 23rd most abundant element found in the Earth’s crust. It is somewhat plentiful but scattered and makes up one-hundredth of 1% of igneous rocks. Nickel metal is foundin meteorites (as are some other elements). It is believed that molten nickel, along with iron,makes up the central sphere that forms the core of the Earth.There are several types of nickel ores. One is the major ore for nickel called pentlandite(NiS ? 2FeS), which is iron/nickel sulfide. Another is a mineral called niccolite (NiAs), discovered in 1751 and first found in a mining area of Sweden. By far, the largest mining area fornickel is located in Ontario, Canada, where it is recovered from what is thought to be a verylarge meteorite that crashed into the Earth eons ago. This large nickel deposit is one reasonfor the theory of the Earth’s core being molten nickel and iron, given that both the Earth andmeteorites were formed during the early stages of the solar system. Some nickel ores are alsofound in Cuba, the Dominican Republic, and Scandinavia. Traces of nickel exist in soils, coal,plants, and animals.

Reactivity Profile

Metals, such as METAL CATALYST, are reducing agents and tend to react with oxidizing agents. Their reactivity is strongly influenced by their state of subdivision: in bulk they often resist chemical combination; in powdered form they may react very rapidly. Thus, as a bulk metal Nickel is somewhat unreactive, but finely divided material may be pyrophoric. The metal reacts exothermically with compounds having active hydrogen atoms (such as acids and water) to form flammable hydrogen gas and caustic products. The reactions are less vigorous than the similar reactions of alkali metals, but the released heat can still ignite the released hydrogen. Materials in this group may react with azo/diazo compounds to form explosive products. These metals and the products of their corrosion by air and water can catalyze polymerization reactions in several classes of organic compounds; these polymerizations sometimes proceed rapidly or even explosively. Some metals in this group form explosive products with halogenated hydrocarbons. Can react explosively with oxidizing materials.

General Description

Nickel catalyst, is extremely fine powdered nickel. Nickel is grayish colored. Insoluble in water. Nickel catalyst is used to promote the chemical action in manufacturing synthetics and to process vegetable oil and petroleum. If exposed to air or moisture, Nickel may become hot enough to ignite. Nickel is insoluble in water and does not react with larger volumes of water.

Physical properties

Nickel metal does not exist freely in nature. Rather, it is located as compounds in ores ofvarying colors, ranging from reddish-brown rocks to greenish and yellowish deposits, andin copper ores. Once refined from its ore, the metallic nickel is a silver-white and hard butmalleable and ductile metal that can be worked hot or cold to fabricate many items. Nickel,located in group 10, and its close neighbor, copper, just to its right in group 11 of the periodictable, have two major differences. Nickel is a poor conductor of electricity, and copper is anexcellent conductor, and although copper is not magnetic, nickel is. Nickel’s melting point is1,455°C, its boiling point is 2,913°C, and its density is 8.912 g/cm3.

History

Nickel was isolated first and recognized as an element by Cronstedt in 1751. The metal was derived in pure form by Richter in 1804. The metal takes its name from two German words ‘Nickel’ and ‘kupfernickel’, which mean Old Nick’s (or Satan) and Old Nick’s copper, respectively. The abundance of nickel in the earth’s crust is only 84 mg/kg, the 24th most abundant element. It is found in most meteorites, particularly in the iron meteorites or siderites, alloyed with iron. Its average concentration in seawater is 0.56 μg/mL. Nickel is one of the major components of the earth’s core, comprising about 7%. The most common nickel ores are pentlandite, (Ni,Fe)9S16, limonite, (Fe,Ni)O(OH)?nH2O, and garnierite, (Ni,Mg)6Si4O10(OH)8. Other ores that are of rare occurrence are the sulfide ores, millerite, NiS, polydymite Ni3S4 and siegenite, (Co,Ni)3S4; the arsenide ores niccolite, NiAs, gersdorffite, NiAsS, and annabergite, Ni3As2O8?8H2O; and the antimonide ore, NiSb.

Characteristics

As mentioned, nickel is located in group 10 (VIII) and is the third element in the specialtriad (Fe, Co, Ni) of the first series of the transition elements. Nickel’s chemical and physicalproperties, particularly its magnetic peculiarity, are similar to iron and cobalt.Some acids will attack nickel, but it offers excellent protection from corrosion from air andseawater. This quality makes it excellent for electroplating other metals to form a protectivecoating. Nickel is also an excellent alloy metal, particularly with iron, for making stainless steelas well as a protective armor for military vehicles. It is malleable and can be drawn throughdies to form wires. About one pound of nickel metal can be drawn to about 200 miles of thinwire.

History

Discovered by Cronstedt in 1751 in kupfernickel (niccolite). Nickel is found as a constituent in most meteorites and often serves as one of the criteria for distinguishing a meteorite from other minerals. Iron meteorites, or siderites, may contain iron alloyed with from 5 to nearly 20% nickel. Nickel is obtained commercially from pentlandite and pyrrhotite of the Sudbury region of Ontario, a district that produces much of the world’s nickel. It is now thought that the Sudbury deposit is the result of an ancient meteorite impact. Large deposits of nickel, cobalt, and copper have recently been developed at Voisey’s Bay, Labrador. Other deposits of nickel are found in Russia, New Caledonia, Australia, Cuba, Indonesia, and elsewhere. Nickel is silvery white and takes on a high polish. It is hard, malleable, ductile, somewhat ferromagnetic, and a fair conductor of heat and electricity. It belongs to the iron-cobalt group of metals and is chiefly valuable for the alloys it forms. It is extensively used for making stainless steel and other corrosion- resistant alloys such as Invar?, Monel?, Inconel?, and the Hastelloys?. Tubing made of a copper-nickel alloy is extensively used in making desalination plants for converting sea water into fresh water. Nickel is also now used extensively in coinage and in making nickel steel for armor plate and burglar-proof vaults, and is a component in Nichrome?, Permalloy?, and constantan. Nickel added to glass gives a green color. Nickel plating is often used to provide a protective coating for other metals, and finely divided nickel is a catalyst for hydrogenating vegetable oils. It is also used in ceramics, in the manufacture of Alnico magnets, and in batteries. The sulfate and the oxides are important compounds. Natural nickel is a mixture of five stable isotopes; twenty-five other unstable isotopes are known. Nickel sulfide fume and dust, as well as other nickel compounds, are carcinogens. Nickel metal (99.9%) is priced at about $2/g or less in larger quantities.

Waste Disposal

Nickel compoundsencapsulation followed by disposal in a chemical waste landfill. However, nickel from various industrial wastes may also be recovered and recycled as described in the literature.

Chemical Properties

RANEY NICKEL is a hard, ductile, magnetic metal with a silver-white color.

Toxicity

Skin contact can cause dermatitis and a type of chronic eczema, known as “nickel itch”, caused by hypersensitivity reactions of nickel on the skin (Patnaik, P. 1999. A Comprehensive Guide to the Hazardous Properties of Chemical Substances, 2nd ed. pp. 621-622, New York: John Wiley & Sons.) Although oral toxicity of the metal is very low, ingestion may cause hyperglycemia and depression of the central nervous system. Chronic inhalation of nickel dust can cause lung and sinus cancers in humans. Nickel and certain of its compounds are listed by IARC under Group 2B carcinogens as “possibly carcinogenic to humans” (International Agency for Research on Cancer. 1990. IARC Monograph, Vol. 49: Geneva.)

Carcinogenicity

Metallic nickel is reasonably anticipated to be a human carcinogenbased on sufficient evidence of carcinogenicity from studies in experimental animals.

Production Methods

Nickel is obtained by processing sulfide and laterite ore concentrates using pyrometallurgic and hydrometallurgic processes. The resultant nickel matte obtained by roasting and smelting is subjected to further cleaning by electro-, vapo-, and hydrometallurgic refining methods. Some portion of the matte is roasted to obtain commercial nickel oxide agglomerate. Pure, 99.9% nickel can be obtained by electrolytic refining process. The most pure, 99.97%, nickel is obtained by vapometallurgy. In this process, known also as the Mond method,nickel and copper sulfide blend is converted to oxides and then reduced by heating with water gas at 350–400°C. The resultant active form of nickel is treated with carbon monoxide to give volatile nickel carbonyl [Ni(CO)4]. The latter reaction is reversible; heating results in pure nickel and carbon monoxide.

Uses

Nickel is used in various alloys, such asGerman silver, Monel, and nickel–chrome;for coins; in storage batteries; in spark plugs;and as a hydrogenation catalyst.

Uses

The most important applications of nickel metal involve its use in numerous alloys. Such alloys are used to construct various equipment, reaction vessels, plumbing parts, missile, and aerospace components. Such nickel-based alloys include Monel, Inconel, Hastelloy, Nichrome, Duranickel, Udinet, Incoloy and many other alloys under various other trade names. The metal itself has some major uses. Nickel anodes are used for nickel plating of many base metals to enhance their resistance to corrosion. Nickel-plated metals are used in various equipment, machine parts, printing plates, and many household items such as scissors, keys, clips, pins, and decorative pieces. Nickel powder is used as porous electrodes in storage batteries and fuel cells. Another major industrial use of nickel is in catalysis. Nickel and raney nickel are used in catalytic hydrogenation or dehydrogenation of organic compounds including olefins, fats, and oils.

Isotopes

There are 31 isotopes of nickel, ranging from Ni-48 to Ni-78. Five of these arestable, and the percentage of their contribution to the element’s natural existence onEarth are as follows: Ni-58 = 68.077%, Ni-60 = 26.223%, Ni-61 = 1.140%, Ni-62 =3.634%, and Ni 64 = 0.926%. All of the other 26 isotopes of nickel are artificially madeand radioactive with half-lives ranging from a few nanoseconds to 7.6×104 years.

Definition

nickel: Symbol Ni. A malleable ductilesilvery metallic transition element;a.n. 28; r.a.m. 58.70; r.d. 8.9;m.p. 1450°C; b.p. 2732°C. It is foundin the minerals pentlandite (NiS),pyrrhoite ((Fe,Ni)S), and garnierite((Ni,Mg)6(OH)6Si4O11.H2O). Nickel isalso present in certain iron meteorites(up to 20%). The metal isextracted by roasting the ore to givethe oxide, followed by reductionwith carbon monoxide and purificationby the Mond process. Alternativelyelectolysis is used. Nickel metalis used in special steels, in Invar, and,being ferromagnetic, in magnetic alloys,such as Mumetal. It is also aneffective catalyst, particularly for hydrogenation reactions (see also raneynickel). The main compounds areformed with nickel in the +2 oxidationstate; the +3 state also exists (e.g.the black oxide, Ni2O3). Nickel wasdiscovered by Axel Cronstedt(1722–65) in 1751.

Fire Hazard

Flammable/combustible material. May ignite on contact with moist air or moisture. May burn rapidly with flare-burning effect. Some react vigorously or explosively on contact with water. Some may decompose explosively when heated or involved in a fire. May re-ignite after fire is extinguished. Runoff may create fire or explosion hazard. Containers may explode when heated.

Uses

Nickel-plating; for various alloys such as new silver, Chinese silver, German silver; for coins, electrotypes, storage batteries; magnets, lightning-rod tips, electrical contacts and electrodes, spark plugs, machinery parts; catalyst for hydrogenation of oils and other organic substances. See also Raney nickel. manufacture of Monel metal, stainless steels, heat resistant steels, heat and corrosion resistant alloys, nickel-chrome resistance wire; in alloys for electronic and space applications.

Definition

A transition metal that occurs naturally as the sulfide and silicate. It is extracted by the Mond process, which involves reduction of nickel oxide using carbon monoxide followed by the formation and subsequent decomposition of volatile nickel carbonyl. Nickel is used as a catalyst in the hydrogenation of alkenes, e.g. margarine manufacture, and in coinage alloys. Its main oxidation state is +2 and these compounds are usually green. Symbol: Ni; m.p. 1453°C; b.p. 2732°C; r.d. 8.902 (25°C); p.n. 28; r.a.m. 58.6934.

Hazard

Nickel dust and powder are flammable. Most nickel compounds, particularly the salts, aretoxic. NiSO4 is a known carcinogen.Although nickel is not easily absorbed in the digestive system, it can cause toxic reactionsand is a confirmed carcinogen in high concentration in the body. Nickel workers can receivesevere skin rashes and lung cancer from exposure to nickel dust and vapors.Nickel is stored in the brain, spinal cord, lungs, and heart. It can cause coughs, shortnessof breath, dizziness, nausea, vomiting, and general weakness.
InChI:InChI=1/Ni/q+2

7440-02-0 Well-known Company Product Price

Brand (Code)Product description CAS number Packaging Price Detail
TCI America (S0487)  Skeletal Nickel Catalyst slurry in Water [Active catalyst for Hydrogenation]   7440-02-0 50g 580.00CNY Detail
Alfa Aesar (45505)  Nickel nanopowder, APS 5-20nm, 99.9% (metals basis)    7440-02-0 5g 2528.0CNY Detail
Alfa Aesar (45505)  Nickel nanopowder, APS 5-20nm, 99.9% (metals basis)    7440-02-0 25g 9016.0CNY Detail
Alfa Aesar (13793)  Nickel spheres, silver coated, -250 mesh, Ni typically 99.8% (metals basis)    7440-02-0 25g 211.0CNY Detail
Alfa Aesar (13793)  Nickel spheres, silver coated, -250 mesh, Ni typically 99.8% (metals basis)    7440-02-0 100g 734.0CNY Detail
Alfa Aesar (13793)  Nickel spheres, silver coated, -250 mesh, Ni typically 99.8% (metals basis)    7440-02-0 500g 3053.0CNY Detail
Alfa Aesar (42325)  Nickel slug, 3.175mm (0.125in) dia x 3.175mm (0.125in) length, 99.98% (metals basis)    7440-02-0 10g 303.0CNY Detail
Alfa Aesar (42325)  Nickel slug, 3.175mm (0.125in) dia x 3.175mm (0.125in) length, 99.98% (metals basis)    7440-02-0 50g 1290.0CNY Detail
Alfa Aesar (42325)  Nickel slug, 3.175mm (0.125in) dia x 3.175mm (0.125in) length, 99.98% (metals basis)    7440-02-0 250g 5484.0CNY Detail
Alfa Aesar (42333)  Nickel slug, 3.175mm (0.125in) dia x 3.175mm (0.125in) length, Puratronic?, 99.995% (metals basis)    7440-02-0 10g 639.0CNY Detail
Alfa Aesar (42333)  Nickel slug, 3.175mm (0.125in) dia x 3.175mm (0.125in) length, Puratronic?, 99.995% (metals basis)    7440-02-0 50g 2328.0CNY Detail
Alfa Aesar (42333)  Nickel slug, 3.175mm (0.125in) dia x 3.175mm (0.125in) length, Puratronic?, 99.995% (metals basis)    7440-02-0 250g 9293.0CNY Detail

7440-02-0SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name nickel atom

1.2 Other means of identification

Product number -
Other names Nichel

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only. Inorganic substances
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

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More Details:7440-02-0 SDS

7440-02-0Synthetic route

nickel(II) chloride hexahydrate

nickel(II) chloride hexahydrate

hydrazine hydrate
7803-57-8

hydrazine hydrate

sodium hydroxide
1310-73-2

sodium hydroxide

nickel
7440-02-0

nickel

Conditions
ConditionsYield
In water N2H4*H2O (80%) added to aq. soln. of NiCl2*6H2O (temp. increased to 65°C) under vigorous stirring, cooling to 50°C, aq. NaOH (50%)added (temp. increased to 54°C), 1 h; ppt. washed with water and dried at room temp. for 16 h;100%
In water; ethylene glycol byproducts: N2, H2O; other Radiation; soln. of Ni compd. in ethylene glycol treated with hydrazine hydrate andNaOH under external magnetic field (0.13-0.35 T) with vigorous stirring , react at 60°C; pptd., septd., washed (ethanol), dried (vac., 40°C, 24 h), SEM, XRD;
hydrogen
1333-74-0

hydrogen

nickel(II) hydroxide

nickel(II) hydroxide

nickel
7440-02-0

nickel

Conditions
ConditionsYield
In not given at 205°C, H2 pressure 14 atm, 45 min, form of product is powder;99.8%
In not given at 200-300°C, 10 h, form of product is powder;85%
at 270-320°C;
sodium
7440-23-5

sodium

nickel dichloride

nickel dichloride

nickel
7440-02-0

nickel

Conditions
ConditionsYield
Na-emulsion in organic solvent, at 220°C, form of product is powder;99.2%
Na-emulsion in organic solvent, at 220°C, form of product is powder;99.2%
explosive reaction;
((CO)NiNCN(CH3)2)2

((CO)NiNCN(CH3)2)2

A

nickel
7440-02-0

nickel

B

NCNMe2
1467-79-4

NCNMe2

Conditions
ConditionsYield
byproducts: CO; thermal dissociation in high vacuum;A 99%
B 99%
{(CO)NiNCN(CH2)4}2

{(CO)NiNCN(CH2)4}2

A

pyrrolidine-1-carbonitrile
1530-88-7

pyrrolidine-1-carbonitrile

B

nickel
7440-02-0

nickel

Conditions
ConditionsYield
byproducts: CO; thermal dissociation in high vacuum;A 99%
B 99%
{(CO)NiNCN(CH2)2O(CH2)2}2

{(CO)NiNCN(CH2)2O(CH2)2}2

A

N-cyanomorpholine
1530-89-8

N-cyanomorpholine

B

nickel
7440-02-0

nickel

Conditions
ConditionsYield
byproducts: CO; thermal dissociation in high vacuum;A 99%
B 99%
{(CO)NiNCN(CH2)4C(CH3)H}2

{(CO)NiNCN(CH2)4C(CH3)H}2

A

2-methylpiperidine-1-carbonitrile
5321-87-9

2-methylpiperidine-1-carbonitrile

B

nickel
7440-02-0

nickel

Conditions
ConditionsYield
byproducts: CO; thermal dissociation in high vacuum;A 99%
B 99%
{(CO)NiNCN(CH2)2C6H4(CH2)}2

{(CO)NiNCN(CH2)2C6H4(CH2)}2

A

3,4-dihydro-2(1H)-isoquinolinecarbonitrile
1705-22-2

3,4-dihydro-2(1H)-isoquinolinecarbonitrile

B

nickel
7440-02-0

nickel

Conditions
ConditionsYield
byproducts: CO; thermal dissociation in high vacuum;A 99%
B 99%
{(CO)NiNCN(CH2)6}2

{(CO)NiNCN(CH2)6}2

A

hexahydroazepin-1-yl cianide
5321-89-1

hexahydroazepin-1-yl cianide

B

nickel
7440-02-0

nickel

Conditions
ConditionsYield
byproducts: CO; thermal dissociation in high vacuum;A 99%
B 99%
[((C6H5)3P)3NiCl]2

[((C6H5)3P)3NiCl]2

A

bis(triphenylphosphine)nickel(II) chloride
14264-16-5, 53996-95-5, 62075-39-2, 39716-73-9

bis(triphenylphosphine)nickel(II) chloride

B

nickel
7440-02-0

nickel

C

nickel dichloride

nickel dichloride

Conditions
ConditionsYield
In neat (no solvent) byproducts: triphenylphosphine; Ar-atmosphere; 140-180°C, 1 h; extn. (ether, CH2Cl2, H2O), evapn. of extract;A 97.7%
B 94.7%
C 87.5%
nickel(II) sulfate hexahydrate

nickel(II) sulfate hexahydrate

nickel
7440-02-0

nickel

Conditions
ConditionsYield
With sodium carbonate; hydrazine hydrate; sodium dodecylbenzenesulfonate In water mixt. heated at 90 °C at pH 9.6 (Na2CO3) with hydrazine:nickel 2:1 molar ratio, Ni(2+) conc. 0.25 M, sodium citrate:Ni ratio 1:4 for 18 min; metal powder filtered, washed (H2O, ethanol, acetone), dried in vac. at 40 °C; detd. by XRD;96%
With sodium carbonate; hydrazine hydrate; sodium dodecylbenzenesulfonate In water mixt. heated at 90 °C at pH 9.6 (Na2CO3) with hydrazine:nickel 2:1 molar ratio, Ni(2+) conc. 0.25 M, sodium citrate:Ni ratio 1:4 for 120 or 160 min or without citrate for 90 min; metal powder filtered, washed (H2O, ethanol, acetone), dried in vac. at 40 °C; detd. by XRD;95%
With sodium carbonate; hydrazine hydrate; sodium dodecylbenzenesulfonate In water mixt. heated at 90 °C at pH 9.6 (Na2CO3) with hydrazine:nickel 2:1 molar ratio, Ni(2+) conc. 0.25 M, sodium citrate:Ni ratio 1:4 for 140 min; metal powder filtered, washed (H2O, ethanol, acetone), dried in vac. at 40 °C; detd. by XRD;94%
bis(1,5-cyclooctadiene)nickel (0)
1295-35-8

bis(1,5-cyclooctadiene)nickel (0)

A

Cyclooctan
292-64-8

Cyclooctan

B

nickel
7440-02-0

nickel

Conditions
ConditionsYield
With hydrogen In hexane 1 atm., 20°C, vigorous reaction after induction period;A 96%
B n/a
With hydrogen In hexane 1 atm., 20°C, vigorous reaction after induction period;A 96%
B n/a
bis(1,5-cyclooctadiene)nickel (0)
1295-35-8

bis(1,5-cyclooctadiene)nickel (0)

A

nickel
7440-02-0

nickel

B

tetracarbonyl nickel
13463-39-3, 71564-36-8

tetracarbonyl nickel

C

1,5-dicyclooctadiene
5259-72-3, 10060-40-9, 111-78-4

1,5-dicyclooctadiene

Conditions
ConditionsYield
With carbon monoxide In hexane -40°C, warming within 1 h to 0-20°C;A 0%
B 93%
C 80.6%
With carbon monoxide In hexane -40°C, warming within 1 h to 0-20°C;A 0%
B 93%
C 80.6%
ethylmagnesium bromide
925-90-6

ethylmagnesium bromide

nickel dibromide

nickel dibromide

A

ethane
74-84-0

ethane

B

ethene
74-85-1

ethene

C

nickel
7440-02-0

nickel

D

magnesium bromide

magnesium bromide

Conditions
ConditionsYield
In tetrahydrofuran To a soln. of anhydrous salt is added C2H5MgBr at 20°C with stirring. The reaction mixture is left for 5 - 6 h at room temp.; decantation, washing with THF, water and ethanol; electron diffraction;A n/a
B n/a
C 90%
D n/a
tris[bis(pentane-2,4-dionato)nickel(II)]

tris[bis(pentane-2,4-dionato)nickel(II)]

sodium tetraphenyl borate
143-66-8

sodium tetraphenyl borate

nickel
7440-02-0

nickel

Conditions
ConditionsYield
In 1,2-dimethoxyethane Irradiation (UV/VIS); under Ar; ratio B(3+) : Ni(2+) = 2 : 1; irradn. (254 nm) for 8 h gave deposition of Ni; deposit sepd., washed with acetone and water, and dried in vac. to give pure Ni;90%
trans-,trans-,trans-C12H18NiC(N2)(C6H5)2

trans-,trans-,trans-C12H18NiC(N2)(C6H5)2

B

benzophenone hydrazone
5350-57-2

benzophenone hydrazone

C

nickel
7440-02-0

nickel

Conditions
ConditionsYield
In diethyl ether byproducts: N2; heating cautiously to 20°C;A 89%
B n/a
C n/a
nickel(II) oxide
1313-99-1

nickel(II) oxide

nickel
7440-02-0

nickel

Conditions
ConditionsYield
With hydrogen In neat (no solvent) Kinetics; 1000 h, NiO calcinated at 1000°C;;85%
With H2 In neat (no solvent) Kinetics; 1000 h, NiO calcinated at 1000°C;;85%
With hydrogen In neat (no solvent) Kinetics; 180°C, 70 h, NiO prepared be H2O elimination of Ni(OH)2 in vacuum;;>99
tetracarbonyl nickel
13463-39-3, 71564-36-8

tetracarbonyl nickel

nickel
7440-02-0

nickel

Conditions
ConditionsYield
introducing of liq. Ni(CO)4 into heavy oil, vigorous mixing at 250°C, after filtration keep under petroleum ether or N2;85%
Sonication; at 240-260°C;
150-250°C. 1-2 at, high-frequency technic, diphenyl and diphenyl oxide used as germ;
trans-,trans-,trans-C12H18NiC(N2)(C6H5)2

trans-,trans-,trans-C12H18NiC(N2)(C6H5)2

A

1,5,9-cyclodecatriene

1,5,9-cyclodecatriene

B

nickel
7440-02-0

nickel

C

benzonitrile
100-47-0

benzonitrile

Conditions
ConditionsYield
byproducts: N2; -30°C;A 80.9%
B n/a
C 13.5%
nickel(II) chloride hexahydrate

nickel(II) chloride hexahydrate

nickel
7440-02-0

nickel

Conditions
ConditionsYield
With N2H4*H2O; poly(vinyl pyrrolidone) In ethylene glycol byproducts: NH3, N2, H2; ethylene glycol refluxed for 5 min, treated dropwise with hydrazine monohydrate, treated with Ni salt in ethylene glycol and poly(vinyl pyrrolidone) in ethylene glycol under vigorous stirring, refluxed for 60 min; centrifuged, washed (abs. ethanol) 6 times, evapd.(vac.) at 80°C,XRD;80%
In water Electrolysis; platinum anode and copper cathode were used; the composition of the bath: 50 g/dm3 NiCl2*6H2O, 50 g/dm3(NH4)2SO4 and 250 mol/dm3 NH4OH; the pH of the soln. was 9.5-10.2; at 25°C; the plating time was 15 min;;
With (NH2)2CSO2 In pentan-1-ol; water Kinetics; isothermal redn. of Ni-salt with thiourea dioxide, 15 mol-% alcohol, pH4.0 (Britton-Robinson buffer), 1 h, 313+/-0.5 K; gravimetric anal.;
sodium tetraphenyl borate
143-66-8

sodium tetraphenyl borate

nickel dibromide

nickel dibromide

nickel
7440-02-0

nickel

Conditions
ConditionsYield
In 1,2-dimethoxyethane Irradiation (UV/VIS); under Ar; mole ratio NaBPh4 : NiBr2 = 2 : 1; irradn. (254 nm) for 8 h gave deposition of Ni; deposit sepd., washed with acetone and water, and dried in vac. to give pure Ni;80%
Conditions
ConditionsYield
In 1,2-dimethoxyethane Irradiation (UV/VIS); under Ar; mole ratios NaBPh4 : NiBr2 : CuBr2 = 8 : 3 : 1; irradn. (254 nm) for 10 h gave deposition of Ni and Cu;A 73%
B 24%
In 1,2-dimethoxyethane Irradiation (UV/VIS); under Ar; mole ratios NaBPh4 : NiBr2 : CuBr2 = 4 : 1 : 1; irradn. (254 nm) for 10 h gave deposition of Ni and Cu;A 48%
B 49%
bis(1,5-cyclooctadiene)nickel (0)
1295-35-8

bis(1,5-cyclooctadiene)nickel (0)

3,6-dimethylene-1,7-octadiene
3382-59-0

3,6-dimethylene-1,7-octadiene

tris(1-methylethyl)phosphine
6476-36-4

tris(1-methylethyl)phosphine

A

(η(2),η(2)-3,6-dimethylene-1,7-butadiene)NiPiPr3
163976-20-3

(η(2),η(2)-3,6-dimethylene-1,7-butadiene)NiPiPr3

B

nickel
7440-02-0

nickel

Conditions
ConditionsYield
In diethyl ether stirring (-30°C, 48 h); filtering (-30°C), crystn. (-78°C), washing (pentane, -78°C); elem. anal.;A 71%
B 1%
Ni[η(1),η(2)-C5H5C2(CO2Me)2]Cp

Ni[η(1),η(2)-C5H5C2(CO2Me)2]Cp

A

nickel
7440-02-0

nickel

B

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

Conditions
ConditionsYield
With hydrogen In ethanol byproducts: C7H9(C(O)OCH3); room temp.; normal pressure;A n/a
B 70%
With H2; catalyst: Pt In ethanol byproducts: C7H9(C(O)OCH3); room temp.; normal pressure;A n/a
B 70%
With hydrogen In ethanol byproducts: C7H9(C(O)OCH3); room temp.; normal pressure;A n/a
B 70%
bis(4-acetyl-1-ethyl-3-methyl-5-pyrazolonato)nickel(II)

bis(4-acetyl-1-ethyl-3-methyl-5-pyrazolonato)nickel(II)

A

formaldehyd
50-00-0

formaldehyd

B

C3N2(CH3)(C2H5)(OH)C(O)CH3

C3N2(CH3)(C2H5)(OH)C(O)CH3

C

nickel
7440-02-0

nickel

Conditions
ConditionsYield
With methanol; benzophenone In neat (no solvent) Kinetics; Irradiation (UV/VIS); photolysis (mercury lamp, 300 nm lamps, merry-go-round unit), irradn. under N2 through a pyrex filter; centrifugation, filtration through a pipette (Celite), detd. by UV;A 56%
B 68%
C n/a
nickel(II) sulphate

nickel(II) sulphate

nickel
7440-02-0

nickel

Conditions
ConditionsYield
With Na3C6H5O7*2H2O In water Electrolysis; Ni(II):Cit=1:1, potentiostatic condditions, -1.1 V vs. SHE, Ag/AgCl immersed in 3.3 M KCl used as reference, Cu plate as working, Pt sheet as counter electrodes; soln. stirred at 500 rpm with magnet; temp. 298 K; X-ray fluorometry;65%
With Na or K or Ca or Ba hypophosphite; Na acetate or Na formate In not given 90-92°C , pH=5.0-6.5;
Electrolysis; form of product is powder;
bis(acetylacetonate)nickel(II)

bis(acetylacetonate)nickel(II)

A

nickel
7440-02-0

nickel

B

nickel(0)(1,5-cyclooctadiene)2

nickel(0)(1,5-cyclooctadiene)2

Conditions
ConditionsYield
With n-hexyllithium In toluene byproducts: n-hexane, hex-1-en, LiH; under Ar, reduction at room temp. with n-hexyllithium in presence of cyclooctadiene (Li:Ni=4); further byproduct: Ph-Ph, hex-Ph, cycloocta-1,3-diene, cycloocta-1,4-diene, cyclooctene; protolysis of liquid phase with MeOH (H2), gas chromy. of volatile compds.;A n/a
B 65%
dodecacarbonyl triosmium
15696-40-9

dodecacarbonyl triosmium

[Ni(cyclopentadienyl)(μ-CO)]2

[Ni(cyclopentadienyl)(μ-CO)]2

A

(C5H5)3Ni3Os3(CO)9

(C5H5)3Ni3Os3(CO)9

B

(η5-C5H5)NiOs3(μ-H)3(CO)9

(η5-C5H5)NiOs3(μ-H)3(CO)9

C

nickel
7440-02-0

nickel

Conditions
ConditionsYield
With hydrogen In octane Os3(CO)12 refluxed in octane with (CpNi(CO))2 for 30 min under H2 flow,cooled; filtered, evapd. in vac., purified by TLC (Kiselgel PF Merck, light petroleum-Et2O), crystd. from CHCl3/heptane at -10°C; elem. anal.;A 10%
B 60%
C n/a
magnesium-1,3-butadiene * 2 THF

magnesium-1,3-butadiene * 2 THF

((CH3)2C2N2(C6H3(CH3)2)2)NiClBr

((CH3)2C2N2(C6H3(CH3)2)2)NiClBr

A

bisacetylbis(2,6-dimethylphenylimin)(1,3-butadiene)nickel
129616-15-5

bisacetylbis(2,6-dimethylphenylimin)(1,3-butadiene)nickel

B

Ni(1,4-bis(2,6-dimethylphenyl)-2,3-dimethyl-1,4-diazabuta-1,3-diene)2
74779-91-2

Ni(1,4-bis(2,6-dimethylphenyl)-2,3-dimethyl-1,4-diazabuta-1,3-diene)2

C

nickel
7440-02-0

nickel

Conditions
ConditionsYield
In tetrahydrofuran (N2), dry solvents; addn. of Mg compd. to suspn. of Ni compd. in THF room temperature, stirring overnight;A 40%
B 60%
C n/a
2,3,5,6-tetrafluorobenzaldehyde
19842-76-3

2,3,5,6-tetrafluorobenzaldehyde

nickel
7440-02-0

nickel

1,2-dichloro-benzene
95-50-1

1,2-dichloro-benzene

(2,3,5,6-tetrafluorophenyl)methanol
4084-38-2

(2,3,5,6-tetrafluorophenyl)methanol

Conditions
ConditionsYield
100%
1,4-dioxane
123-91-1

1,4-dioxane

nickel
7440-02-0

nickel

1,2-dichloro-benzene
95-50-1

1,2-dichloro-benzene

2,3,5,6-tetrafluoroterephthalaldehyde
3217-47-8

2,3,5,6-tetrafluoroterephthalaldehyde

2,3,5,6-tetrafluoro-1,4-benzenedimethanol
92339-07-6

2,3,5,6-tetrafluoro-1,4-benzenedimethanol

Conditions
ConditionsYield
100%
nickel
7440-02-0

nickel

phthalonitrile
91-15-6

phthalonitrile

nickel(II) phthalocyanine
14055-02-8

nickel(II) phthalocyanine

Conditions
ConditionsYield
With sodium methylate In methanol pyrophoric Ni under water layer added to a methanol soln. containing an equivalent quantity of phthalonitrile and 5 drops of 30% soln of CH3ONa in methanol; flask maintained at 25°C for 24-72 h; blue product separated from unreacted metal by shaking and decanting with the solvent, washed with ethanol in Soxhlet equipment and dried in air; purity of 95-97%; elem. anal.;100%
With sodium methylate In methanol; water pyrophoric metal:phthalonitrile=1:4 and few drops of CH3ONa under water layer treated for 24 h at 25°C; septd., washed (ethanol), dried in air, elem. anal.;100%
With sodium methylate In ethanol pyrophoric Ni under water layer added to an ethanol soln. containing an equivalent quantity of phthalonitrile and 5 drops of 30% soln of CH3ONa in methanol; flask maintained at 25°C for 24-72 h; blue product separated from unreacted metal by shaking and decanting with the solvent, washed with ethanol in Soxhlet equipment and dried in air; purity of 95-97%; elem. anal.;100%
triphenylphosphine diiodide
6396-07-2

triphenylphosphine diiodide

nickel
7440-02-0

nickel

{(C6H5)3PI}(1+)*{Ni(P(C6H5)3)I3}(1-)={(C6H5)3PI}{Ni(P(C6H5)3)I3}
152442-02-9

{(C6H5)3PI}(1+)*{Ni(P(C6H5)3)I3}(1-)={(C6H5)3PI}{Ni(P(C6H5)3)I3}

Conditions
ConditionsYield
In diethyl ether under N2: dissoln. of (C6H5)3PI2 (2 equivalents) in dry diethyl ether in a rotoflow tube; addn. of coarse-grain unactivated Ni, 60°C; stirring, 7d;; isolation by standard Schlenk technique; drying in vac.; elem. anal.;100%
diiodo tri-n-butylphosphorane
21473-75-6

diiodo tri-n-butylphosphorane

nickel
7440-02-0

nickel

{(C4H9)3PI}(1+)*{Ni(P(C4H9)3)I3}(1-)={(C4H9)3PI}{Ni(P(C4H9)3)I3}
152386-23-7

{(C4H9)3PI}(1+)*{Ni(P(C4H9)3)I3}(1-)={(C4H9)3PI}{Ni(P(C4H9)3)I3}

Conditions
ConditionsYield
In diethyl ether under N2: dissoln. of (C4H9)3PI2 (2 equivalents) in dry diethyl ether in a rotoflow tube; addn. of coarse-grain unactivated Ni, 60°C; stirring, 7d;; isolation by standard Schlenk technique; drying in vac.; elem. anal.;100%
diiodotriethylphosphorane
98961-77-4

diiodotriethylphosphorane

nickel
7440-02-0

nickel

{(C2H5)3PI}(1+)*{Ni(P(C2H5)3)I3}(1-)={(C2H5)3PI}{Ni(P(C2H5)3)I3}
152386-25-9

{(C2H5)3PI}(1+)*{Ni(P(C2H5)3)I3}(1-)={(C2H5)3PI}{Ni(P(C2H5)3)I3}

Conditions
ConditionsYield
In diethyl ether under N2: dissoln. of (C2H5)3PI2 (2 equivalents) in dry diethyl ether in a rotoflow tube; addn. of coarse-grain unactivated Ni, 60°C; stirring, 7d;; isolation by standard Schlenk technique; drying in vac.; elem. anal.;100%
antimony
7440-36-0

antimony

zirconium
7440-67-7

zirconium

nickel
7440-02-0

nickel

ZrNiSb

ZrNiSb

Conditions
ConditionsYield
In neat (no solvent) Electric Arc; heating (650°C, 4 d; dynamic Ar atm., arc melting), annealing (5 h, 1050-1200°C);100%
In neat (no solvent) vac. (5E-3 mbar); stoichiometric ratio, heating (1 week, 1100°C);
In melt Electric Arc; arc melted under Ar gettered with Ti; 5 wt.-% of Sb required to compensate evaporative losses during arc-melting; ingots sealed in evacuated fused-silica tubes and annealed at 870 K for 720 h; quenched in cold water; XRD; EDX;
nickel
7440-02-0

nickel

sulfur
7704-34-9

sulfur

1,2-diaminopropan
78-90-0, 10424-38-1

1,2-diaminopropan

[Ni(1,2-diaminopropane)3]2Sn2S6*2H2O

[Ni(1,2-diaminopropane)3]2Sn2S6*2H2O

Conditions
ConditionsYield
In further solvent(s) High Pressure; prepd. under solvothermal conditions; reactants weighted in ratio of 1 Ni:1 Sn:3 S, heated in sealed Teflon-lined steel autoclave in pure 1,2-diaminopropane for 7 d at 140°C; elem. anal.;100%
P(CH2CH2C6H5)3I2
149683-89-6

P(CH2CH2C6H5)3I2

nickel
7440-02-0

nickel

{(C6H5CH2CH2)3PI}(1+)*{Ni(P(C6H5CH2CH2)3)I3}(1-)={(C6H5CH2CH2)3PI}{Ni(P(C6H5CH2CH2)3)I3}
152386-19-1

{(C6H5CH2CH2)3PI}(1+)*{Ni(P(C6H5CH2CH2)3)I3}(1-)={(C6H5CH2CH2)3PI}{Ni(P(C6H5CH2CH2)3)I3}

Conditions
ConditionsYield
In diethyl ether under N2: dissoln. of (C6H5CH2CH2)3PI2 (2 equivalents) in dry diethyl ether in a rotoflow tube; addn. of coarse-grain unactivated Ni, 60°C; stirring, 7d;; isolation by standard Schlenk technique; drying in vac.; elem. anal.;100%
(C2H5)2(CH3)PI2
147274-44-0

(C2H5)2(CH3)PI2

nickel
7440-02-0

nickel

{(C2H5)2(CH3)PI}(1+)*{Ni(P(C2H5)2(CH3))I3}(1-)={(C2H5)2(CH3)PI}{Ni(P(C2H5)2(CH3))I3}
152386-28-2

{(C2H5)2(CH3)PI}(1+)*{Ni(P(C2H5)2(CH3))I3}(1-)={(C2H5)2(CH3)PI}{Ni(P(C2H5)2(CH3))I3}

Conditions
ConditionsYield
In diethyl ether under N2: dissoln. of (C2H5)2(CH3)PI2 (2 equivalents) in dry diethyl ether in a rotoflow tube; addn. of coarse-grain unactivated Ni, 60°C; stirring, 7d;; isolation by standard Schlenk technique; drying in vac.; elem. anal.;100%
nickel
7440-02-0

nickel

tris(dimethylamino)diiodophosphorane
82859-40-3

tris(dimethylamino)diiodophosphorane

{((CH3)2N)3PI}(1+)*{Ni(P(N(CH3)2)3)I3}(1-)={((CH3)2N)3PI}{Ni(P(N(CH3)2)3)I3}
152386-30-6

{((CH3)2N)3PI}(1+)*{Ni(P(N(CH3)2)3)I3}(1-)={((CH3)2N)3PI}{Ni(P(N(CH3)2)3)I3}

Conditions
ConditionsYield
In diethyl ether under N2: dissoln. of (N(CH3)2)3PI2 (2 equivalents) in dry diethyl ether in a rotoflow tube; addn. of coarse-grain unactivated Ni, 60°C; stirring, 7d;; isolation by standard Schlenk technique; drying in vac.; elem. anal.;100%
hafnium

hafnium

antimony
7440-36-0

antimony

nickel
7440-02-0

nickel

HfNiSb

HfNiSb

Conditions
ConditionsYield
In neat (no solvent) Electric Arc; heating (650°C, 4 d; dynamic Ar atm., arc melting);100%
In neat (no solvent) Electric Arc; repeated remelting, annealing in evac. quartz tube for 250 h at 800°C, quenching (cold water);
samarium
7440-19-9

samarium

nickel
7440-02-0

nickel

Sm2NiSn4

Sm2NiSn4

Conditions
ConditionsYield
In neat (no solvent, solid phase) mixt. of Sm, Ni, Sn loaded into Ta tube, heated at 970°C for 36 h, quenched in water, annealed at 700°C for 15 d;99%
In neat (no solvent, solid phase) mixt. of Sm, Ni, Sn loaded into Nb tube, heated under dynamic vac. at 300°C for 1 d, heated at 950°C for 5 d, cooled to room temp.at 15°C/h;
thiazolidine-2-one
2682-49-7

thiazolidine-2-one

nickel
7440-02-0

nickel

Conditions
ConditionsYield
In acetonitrile byproducts: H2; Electrochem. Process; electrolyse of a soln. of the ligand in acetonitrile (NH4BF4) with a Nianode at room temp. under N2; filtered, washed with acetonitrile, dried in vac.; elem. anal.;99%
tellurium

tellurium

sulfuryl dichloride
7791-25-5

sulfuryl dichloride

nickel
7440-02-0

nickel

acetonitrile
75-05-8

acetonitrile

[Ni(NCCH3)6](2+)*[Te2Cl10](2-) = [Ni(NCCH3)6][Te2Cl10]
368867-42-9

[Ni(NCCH3)6](2+)*[Te2Cl10](2-) = [Ni(NCCH3)6][Te2Cl10]

Conditions
ConditionsYield
In acetonitrile under dry Ar; Ni and Te mixed in CH3CN; SO2Cl2 added; stirred (2 h); evapd. to dryness (vac.); recrystd. from CH3CN (room temp.); elem. anal.;99%
nickel
7440-02-0

nickel

trimethylarsine diiodide
17756-08-0

trimethylarsine diiodide

[NiI3(As(CH3)3)2]
174094-63-4

[NiI3(As(CH3)3)2]

Conditions
ConditionsYield
In diethyl ether byproducts: I2; (N2); 60°C, ca. 4 d; drying (vac.), recrystn. (Et2O); elem. anal.;99%
tellurium

tellurium

sulfur dioxide
7446-09-5

sulfur dioxide

arsenic pentafluoride
7784-36-3

arsenic pentafluoride

nickel
7440-02-0

nickel

[Ni(SO2)6](2+)*Te6(4+)*6AsF6(1-)=[Ni(SO2)6][Te6][AsF6]6

[Ni(SO2)6](2+)*Te6(4+)*6AsF6(1-)=[Ni(SO2)6][Te6][AsF6]6

Conditions
ConditionsYield
In neat (no solvent) byproducts: AsF3; all manipulations under Ar atm.; SO2 and AsF5 condensed on Ni and Te (external cooling bath of liq. N2), stirred for 5 h; SO2 distd. slowly;99%
(2S)-2-[1-(diethoxymethyl)cyclopropyl]-2-{[(1S)-1-phenylethyl]amino}acetonitrile
400709-89-9

(2S)-2-[1-(diethoxymethyl)cyclopropyl]-2-{[(1S)-1-phenylethyl]amino}acetonitrile

nickel
7440-02-0

nickel

N-{2-amino-(1S)-1-[1-(diethoxymethyl)cyclopropyl]ethyl}-N-[(1S)-1-phenylethyl]amine

N-{2-amino-(1S)-1-[1-(diethoxymethyl)cyclopropyl]ethyl}-N-[(1S)-1-phenylethyl]amine

Conditions
ConditionsYield
With sodium hydroxide In ethanol; chloroform; water; hydrogen98.4%
3,5-dimethyl-1-(carbethoxymethylene)cyclohexane
85120-26-9

3,5-dimethyl-1-(carbethoxymethylene)cyclohexane

nickel
7440-02-0

nickel

(3,5-dimethyl-cyclohexyl)-acetic acid ethyl ester
85120-28-1

(3,5-dimethyl-cyclohexyl)-acetic acid ethyl ester

Conditions
ConditionsYield
In methanol98%
Octanoic acid
124-07-2

Octanoic acid

nickel
7440-02-0

nickel

nickel(II) bis(octanoate)

nickel(II) bis(octanoate)

Conditions
ConditionsYield
In acetonitrile Electrolysis; 4 h, initial voltage 30 V; washed with acetonitrile and dried in vacuo for 3-4 h at room temp.;elem.anal;98%
With tetrabutyl-ammonium chloride In acetonitrile for 8h; Electrolysis;
nickel
7440-02-0

nickel

2-Mercaptobenzothiazole
149-30-4

2-Mercaptobenzothiazole

bis-[2-mercaptobenzothiazolatonickel(II)]
77321-77-8, 119203-46-2

bis-[2-mercaptobenzothiazolatonickel(II)]

Conditions
ConditionsYield
In acetonitrile byproducts: H2; Electrochem. Process; electrolyse of a soln. of the ligand in acetonitrile (NH4BF4) with a Nianode at room temp. under N2; filtered, washed with acetonitrile, dried in vac.; elem. anal.;98%

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