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11113-50-1 Usage

Waste Disposal

Boric acids may be recovered from organic process wastes as an alternative to disposal.

Shipping

UN 3077 Environmentally hazardous substances, solid, n.o.s., Hazard class: 9; Labels: 9—Miscellaneous hazardous material, Technical Name Required.

Uses

boric acid is an effective preservative against yeast. It is used in concentrations of 0.01 to 1.0 percent and has fair to good antiseptic properties. It may also be used as a buffer and denaturant. Boric acid is prepared from sulfuric acid and natural borax. It can cause skin rashes and irritation if used in high concentrations. The use of boric acid in cosmetic preparations is no longer very popular.

Applications

Boric acid plays a role as a “stomach poison” for certain pest such as cockroaches, ants and termites. As an insecticide, it usually applied in bait form or used as a dry powder in which containing a feeding attractant and then added into crevices and creaks so that it forms a layer of dust[11]. So boric acid adheres to their legs when the insects move across the powder. Hence, they may ingest the poison when the insects groom themselves. This will causes death due to starvation and dehydration after 3-10 days[9]. However, the insecticide mechanism of boric acid on insects has not been satisfactorily developed. Some hypotheses has been suggested including death by starvation owing to abrasive effect on the cuticle then cause destruction or slow drying of foregut cells[12, 13]. Besides that, when boric acid used as an herbicide, it desiccates or disrupts the photosynthesis system in plants. Hence, boric acid is normally used to suppress algae in swimming pools and sewage systems[8]. On the other hand, as a fungicide, the fungicidal properties of boric acid prevent the production of conidia or asexual spores of the fungi; hence, it suppresses the growth of fungi. Therefore, boric acid is used as wood preservative in wood industry such as lumber and timber products that controls decay producing fungi[9,14]. Boric acid is reported to be used as food preservatives in some foods and food products. Boric acid is used for preserving meats, meat products, caviar and dairy products[15]. This is because boric acid is able to inhibit the growth of microorganism, therefore, the preserved food can stay fresh and longer[16]. Moreover, according to Yiu et al. (2008)[17], boric acid was added to some food products to control starch gelatinization, as well as enhance the color, texture and flavor of the food.

Uses

A substance made by adding hydrochloric acid to a strong, hot solution of borax and water. When cooled, this mixture forms colorless crystals of boric acid. These require washing and recrystallization. Boric acid was occasionally used as an antiseptic and in combined toning and fixing baths.

Description

Boric acid, also called boracic acid or orthoboric acid or acidum boricum, is a weak acid often used as an antiseptic, insecticide, flame retardant, in nuclear power plants to control the fission rate of uranium, and as a precursor of other chemical compounds.

Potential Exposure

Boric acid is a fireproofing agent for wood; a preservative, and an antiseptic. It is used in the manufacture of glass, pottery, enamels, glazes, cosmetics, cements, porcelain, borates, leather, carpets, hats, soaps; artificial gems; in tanning leather; printing, dyeing, painting, and photography.

Pharmaceutical Applications

Boric acid is a long-standing traditional remedy with mainly antifungal and antimicrobial effects. For medicinal uses, it has become known as sal sedativum, which was discovered by Homberg, the Dutch natural philosopher, in 1702. Diluted solutions were and sometimes still are used as antiseptics for the treatment of athletes’ foot and bacterial thrush, and in much diluted solutions as eyewash. Boric acid can be prepared by reacting borax with a mineral acid: Na2B4O7 ? 10H2O + 2HCl → 4B(OH)3[or H3BO3] + 2NaCl + 5H2O In general, there are many other health claims around the clinical use of boric acid and boron-containing compounds, but many of those have no supporting clinical evidence.

Uses

Boric acid (boracic acid; H3BO3) is used for the manufacture of glass, welding, mattress batting, cotton textiles, and a weak eyewash solution.

Agricultural Uses

Boric acid (H3BO3) is one of the boron-containing nutrients added to fertilizers. It contains around 17% boron. A solution of boric acid and water is used as a foliar spray to overcome boron deficiency.

Uses

Boric acid (H3BO3) is a solid, soft, smooth, solid weak acid that is used in pharmaceutical and cosmetic industries.

Incompatibilities

Boric acid decomposes in heat above 100 C, forming boric anhydride and water. Boric acid is hygroscopic; it will absorb moisture from the air. Boric acid aqueous solution is a weak acid; incompatible with strong reducing agents including alkali metals and metal hydrides (may generate explosive hydrogen gas); acetic anhydride, alkali carbonates, and hydroxides. Violent reaction with powdered potassium metal, especially if impacted. Attacks iron in the presence of moisture.

Physical properties

Boric acid exists in the form of colorless crystals or as a white powder and is soluble in water.

Uses

Pharmaceutic necessity.

References

W. G. Woods, An introduction to boron: history, sources, uses and chemistry, Environ. Health Perspect. 102(7), 5--11 (1994). D. J. Fort, Adverse reproductive and developmental effects in Xenopus from insufficient boron, Biol. Trace Element Res. (current vol). C. D. Eckert, Essentiality of boron for vertebrate embryonic development in zebrafish and trout, Biol. Trace Element Res. (current vol.). C. L. Keen, Effects of very low boron exposure on rat development, Biol. Trace Element Res. (current vol.). F. H. Nielsen, The saga of boron in food: from a banished food preservative to a beneficial nutrient for humans, Curr. Topics Plant Biochem. Physiol. 10, 274 (1991). C. J. Rainey, R. E. Christensen, L. A. Nyquist, P. L. Strong, and J. R. Coughlin, Boron daily intake from the American diet, FASEB J. 10, A785 (abstract no. 4536) (1996). Di Renzo, F., G. Cappelletti, M.L. Broccia, E. Giavini and E. Menegola, 2007. Boric acid inhibits embryonic histone deacetylases: A suggested mechanism to explain boric acid-related teratogenicity. Toxicol. Applied Pharmacol., 220: 178-185. Cox, C., 2004. Boric acid and borates. J. Pesticide Reform, 24: 10-15. Woods, W.G., 1994. An introduction to boron: History, sources, uses and chemistry. Environ. Health Perspect., 102: 5-11. PMID: 7889881 United States Environmental Protection Agency, 1993. Boric Acid. United States Environmental Protection Agency. Washington, DC. United States Environmental Protection Agency, 1996. Report of the food quality protection act (FQPA) tolerance reassessment eligibility decision (TRED) for boric acid/sodium borate salts. United States Environmental Protection Agency. Habes, D., S. Morakchi, N. Aribi, J.P. Farine and N. Soltani, 2006. Boric acid toxicity to the German cockroach, Blattella germanica: Alterations in midgut structure and acetylcholinesterase and glutathione S-transferase activity. Pesticide Biochem. Physiol., 84: 17-24. Cochran, D.G., 1995. Toxic effects of boric acid on the German cockroach. Cell. Mol. Life Sci., 51: 561-563. Clausen, C.A. and V. Yang, 2007. Protecting wood from mould, decay and termites with multicomponent biocide systems. Int. Biodeteriorat. Biodegradat., 59: 20-24. Arslan, M., M. Topaktas and E. Rencuzogullari, 2008. The effects of boric acid on sister chromatid exchanges and chromosome aberrations in cultured human lymphocytes. Cytotechnology, 56: 91-96. Normah, A., K.A. Ku Hasnah and M.H. Zainab, 1984. Penyalahgunaan asid borik dalam makanan. Teknol. Makanan, 3: 54-56. Yiu, P.H., J. See., A. Rajan and C.F.J. Bong. 2008. Boric acid levels in fresh noodles and fish ball. Am. J. Agric. Biol. Sci., 3: 476-481. J. S. Schou, J. A. Jansen, and B. Aggerbeck, Human pharmacokinetics and safety of boric acid, Arch. Toxicol. 7, 232-235 (1984). J. A. Jansen, J. S. Schou, and B. Aggerbeck, Gastrointestinal absorption and in vitro release of boric acid from water-emulsifying ointments, Food Chem. Toxicol. 22, 49-53 (1984). C. Job, Absorption and excretion of orally administered boron, Z. Angew. Bader-und Klimaheilkunde 20, 137-142 (1973). H. I. Maibach, In vivo percutaneous absorption of boric acid, borax, and disodium octaborate tetrahydrate in humans, Biol. Trace Element Res. (current vol.). B. Friis-Hansen, B. Aggerbeck, and J. A. Jansen, Unaffected blood boron levels in newborn infants treated with a boric acid ointment, Food Chem. Toxicol. 20, 451-454 (1982). K. H. Beyer, W. F. Bergfeld, W. O. Berndt, R. K. Boutewell, W. W. Carlton, D. K. Hoffman, et al., Final report on the safety assessment of sodium borate and boric acid, ]. Am. Coil. Toxicol. 2(7), 87-125 (1983). G. Stuttgen, T. Siebel, and B. Aggerbeck, Absorption of boric acid through human skin depending on the type of vehicle, Arch. Dermatol. Res. 272, 21-29 (1982). G. V. Alexander, R. E. Nusbaum, and N. S. MacDonald, The boron and lithium content of human bones, ]. Biol. Chem. 192, 489-496 (1951). R. M. Forbes, A. R. Cooper, and H. H. Mitchell, On the occurrence of beryllium, boron, cobalt, and mercury in human tissues, J. Biol. Chem. 209, 857-864 (1954). N. L. Ward, The determination of boron in biological materials by neutron irradiation and prompt gamma-ray spectrometry, J. Radioanalytical Nuclear Chem. 110(2), 633-639 (1987). J. Emsley, The Elements, Clarendon, Oxford, p. 32 (1989) MDC Legal Advisers, 2004. Food Act and Regulation: All Amendment up to April, 2004: Act 281. MDC Publisher Sdn. Bhd. Kuala Lumpur, ISBN: 967-700808-0, pp: 394. Siti-Mizura, S., E.S. Tee and H.E. Ooi, 1991. Determination of boric acid in foods: Comparative study of three methods. J. Sci. Food Agric., 55: 261-268. Yiu, P.H., J. See., A. Rajan and C.F.J. Bong. 2008. Boric acid levels in fresh noodles and fish ball. Am. J. Agric. Biol. Sci., 3: 476-481. 32. Toxicity Litovitz, T.L., W. Klein-Schwartz, G.M. Oderda and B.F. Schmitz, 1988. Clinical manifestations of toxicity in a series of 784 boric acid ingestions.Am. J. Emerg. Med., 6: 209-213. Baker, D.M. and S.C. Bogema, 1986. Ingestion of boric acid by infants. Am. J. Emergency Med., 4: 358-361. Kot, F.S., 2009. Boron sources, speciation and its potential impact on health. Rev. Environ. Sci. Biotechnol., 8: 3-28. Moseman, R.F., 1994. Chemical disposition of boron in animals and humans. Environ. Health Perspect., 102: 113-117.

Uses

The primary industrial use of boric acid is in the manufacture of monofilament fiberglass usually referred to as “textile fiberglass”. Textile fiberglass is used to reinforce plastics in applications that range from boats, to industrial piping to computer circuit boards. Boric acid is used in nuclear power plants to slowdown the rate at which fission is occurring. Fission chain reactions are generally driven by the amount of neutrons present (as products from previous fissions). Boric acid is used in producing the glass faceplates of LCD flat panel displays. In electroplating, boric acid is used as part of some proprietary formulas. It is also used in the manufacturing of “remming mass”, a fine silica-containing powder used for producing induction furnace linings. Borates including boric acid have been used since the time of the Greeks for cleaning, preserving food, and other activities. It is used in pyrotechnics to prevent the amide-forming reaction between aluminum and nitrates. A small amount of boric acid is added to the composition to neutralize alkaline amides that can react with the aluminum. Boric acid dissolved in methane is popularly used among fire jugglers and fire spinners to create a deep green flame. Boric acid is added to salt in the curing of cattle hides, calfskins and sheepskins. Used in that way it helps to control bacteria development and also aids in the control of insects.

Definition

A white crystalline solid soluble in water; in solution it is a very weak acid. Boric acid is used as a mild antiseptic eye lotion and was formerly used as a food preservative. It is used in glazes for enameled objects and is a constituent of Pyrex glass. Trioxoboric(III) acid is the full systematic name for the solid acid and it exists in this form in its dilute solutions. However, in more concentrated solutions polymerization occurs to give polydioxoboric(III) acid.

Definition

boric acid: Any of a number of acids containing boron and oxygen. Used without qualification the term applies to the compound H3BO3 (which is also called orthoboric acid or, technically, trioxoboric(III) acid). This is a white or colourless solid that is soluble in water and ethanol; triclinic; r.d. 1.435; m.p. 169℃. It occurs naturally in the condensate from volcanic steam vents (suffioni). Commercially, it is made by treating borate minerals (e.g. kernite, Na2B4O7.4H2O) with sulphuric acid followed by recrystallization.In the solid there is considerable hydrogen bonding between H3BO3 molecules resulting in a layer structure, which accounts for the easy cleavage of the crystals. H3BO3 molecules also exist in dilute solutions but in more concentrated solutions polymeric acids and ions are formed (e.g. H4B2O7; pyroboric acid or tetrahydroxomonoxodiboric(III) acid). The compound is a very weak acid but also acts as a Lewis acid in accepting hydroxide ions:B(OH)3 + H2O→B(OH)4 - + H+If solid boric acid is heated it loses water and transforms to another acid at 300℃. This is given the formula HBO2 but is in fact a polymer (HBO2)n. It is called metaboric acid or, technically, polydioxoboric(III) acid.Boric acid is used in the manufacture of glass (borosilicate glass), glazes and enamels, leather, paper, adhesives, and explosives. It is widely used (particularly in the USA) in detergents, and because of the ability of fused boric acid to dissolve other metal oxides it is used as a flux in brazing and welding. Because of its mild antiseptic properties it is used in the pharmaceutical industry and as a food preservative.

Chemical Properties

Boric acid is a white, amorphous powder or colorless, crystalline solid.

Overview

Boron (B), the fifth element in the periodic chart, is ubiquitous in the environment, where it is found combined with O to form compounds called inorganic borates (e.g., borax). Natural sources of borates in the environment include soils, rocks, surface and ocean waters, and the atmosphere. B in the form of borates has long been recognized as an essential plant micronutrient for the growth and viability of plants. Recently, there has been a growing body of evidence that B may be an essential element for frogs, fish, rats, and humans, as well as for plants[1-5]. The major sources of B exposure are diet and drinking water. Fruits, vegetables, and nuts are especially rich in B. Rainey et al.[6] recently studied daily dietary B intake, evaluating the food consumption records of over 25,000 Americans over several days. The median, mean, and 95 percentile B intake for all participants were 0.76, 0.93, and 2.4 mg B/d, respectively. Boric acid (H3BO3) is a boron compound that is soluble and circulates in plasma[7]. It is a colorless, water-soluble, salt-like white powder, which have been used as pesticide since 1948. Normally, it is used to kill mites, insects, fungi and algae. For instances fleas, cockroaches, termites and wood decay fungi[8, 9]. Borate chemicals and boric acid have been used extensively for industrial purposes and its salts have been used for medication as an antiseptic to kill bacteria and fungi. Normally, it is used in the form of powder and liquid; depending to the target and conditions of pest, boric acid might applied as a spray or aerosol, as well as in the form of tablets, granule, pellets, paste or crystalline[10].

Pharmakinetics

BA given orally is readily and completely absorbed in humans and animals. In adult human volunteers, Schou et al.[18] found 94% of a single oral dose of 500 mg BA (131 mg B) was excreted via the urine. Jansen et al.[19] evaluated the absorption of a single aqueous dose of 750 mg of BA in a group of six male volunteers; more than 92% of the BA was excreted in the urine. A similar degree of oral absorption based on urinary excretion of B was observed in volunteers drinking curative spa waters with a high B content, providing a daily dose of approx 100 mg B for 2 wk[20]. There is negligible absorption of BA across intact skin in humans and animals. Maibach[21] reported minimal dermal absorption of BA in human volunteers. Earlier studies showed little evidence of dermal absorption in human infants[22] and adults[23]. Dermal absorption across non-intact skin varied with the vehicle used; greater absorption was observed with aqueous-based vehicles compared to oil-based vehicles (e.g., ointments)[24]. Only traces of boric acid in ointment penetrated the skin of infants with moderate diaper rash. BA is distributed similarly in humans and animals. It is rapidly distributed throughout body water. After administration of BA, B levels in soft tissues are equivalent to those found in plasma, whereas bone B levels appear to be higher than those found in plasma or soft tissues. In humans, a greater concentration of B in bone was reported relative to other tissues. Bone B concentrations were determined on 116 ashed samples from 33 human cadavers[25, 26]. More recently, Ward[27] examined B concentrations using a more sophisticated neutron activation analytical technique in a variety of human tissues, including bone, from 14 normal individuals and 18 individuals with rheumatoid arthritis. High B levels were found in bone, hair, and teeth. BA is not metabolized in humans or animals. The metabolism of BA by biological systems is not possible owing to the high energy requirements (523 kJ/mol) needed to break the B----O bond[28]. In both humans and animals, BA is excreted unchanged in the urine regardless of the route of administration. It is rapidly excreted, with a half-life of < 24 h in humans and animals. BA is slowly eliminated from bone. In humans, 99% of a single iv dose of BA was excreted in the urine, and the half-life was estimated to be 21 h, based on a three-compartment pharmacokinetic model[19]. In another study by the same investigators, 94% of an oral dose of BA (aqueous solution) was recovered in the urine of a group of male volunteers, and more than 50% of the oral dose was eliminated in the first 24 h, consistent with the 21-h half-life in the iv study[19]. Because of boric acid contains cumulative toxicity, FAO/WHO Expert Committee declared that boric acid is unsafe to use as food additives. Even though Ministry of Health Malaysia[29] does not allow boric acid to be used as a food additive, however, it has been reported in some of the local foods in Malaysia such as yellow noodle and fish ball[30]. Moreover, boric acid is harmful to human health if consumed in higher amount. However, due to unawareness of the risk of boric acid, it is continued to be used in the production of food especially noodles and some processed seafood such as fish ball[31]. Boric acid normally used for preservation of food products. It can cause to health problem if the food containing boric acid was ingested by human as boric acid and borates are toxic to cell. Hence, it is deleterious to health and its usage is not recommended[31]. For new-born baby, the possible lethal doses are in between 3-6 g, whereas 15-20 g total for adults[32]. The common symptoms from several incidents of boric acid poisoning included coughing, eye irritation, vomiting and oral irritation[33]. However, the toxicity mechanisms of boron compound remain unclear (Kot, 2009). According to Moseman (1994)[34], the usual amount of boron in urine, blood and soft tissues, normally in the range below 0.05 mg kg?1 and do not above 10 mg kg?1. Some boric acid poisoning cases reported that as high as 2 g kg?1 boric acid was found in liver tissue and brain[34, 35].

Indications

Boric acid, 600 mg in a gelatin capsule, used intravaginally daily for 14 days, has been reported effective even in resistant Candida infections.
InChI:InChI=1/BH3O3/c2-1(3)4/h2-4H

11113-50-1SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name Boric acid

1.2 Other means of identification

Product number -
Other names -

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only. Enzymes and Enzyme Stabilizers
Uses advised against no data available

1.4 Supplier's details

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More Details:11113-50-1 SDS

11113-50-1Synthetic route

1-boranyl-1,3,5-triaza-7-phosphaadamantane
916730-63-7

1-boranyl-1,3,5-triaza-7-phosphaadamantane

water
7732-18-5

water

A

boric acid
11113-50-1

boric acid

B

(1,3,5-triaza-7-phosphaadamantane)
53597-69-6

(1,3,5-triaza-7-phosphaadamantane)

Conditions
ConditionsYield
In water; acetone B-complex reacted with water in acetone/water (1:1) at 80°C for ca. 48 h; detn. by IR, 11B-NMR;A 100%
B n/a
In acetone slow reaction of B-complex with water; acceleration at higher temp.;A 100%
B n/a
1,3,5,7-Tetra-tert-butyl-2,4,6,8-tetrachloro-[1,3,5,7,2,4,6,8]tetrazatetraborocane
4262-38-8

1,3,5,7-Tetra-tert-butyl-2,4,6,8-tetrachloro-[1,3,5,7,2,4,6,8]tetrazatetraborocane

A

boric acid
11113-50-1

boric acid

B

tert-butylamine
75-64-9

tert-butylamine

Conditions
ConditionsYield
With water In further solvent(s) byproducts: HCl; solvent cyclohexanol, in tube 20.5 h at 160°C;A n/a
B 97%
With H2O In further solvent(s) byproducts: HCl; solvent cyclohexanol, in tube 20.5 h at 160°C;A n/a
B 97%
With water In xylene byproducts: HCl; in tube 20.5 h boiling;A n/a
B 62%
With H2O In xylene byproducts: HCl; in tube 20.5 h boiling;A n/a
B 62%
closo-1-sulfinic acid-1,12-dicarbadodecaborane(12)
27120-66-7

closo-1-sulfinic acid-1,12-dicarbadodecaborane(12)

dihydrogen peroxide
7722-84-1

dihydrogen peroxide

A

closo-1,12-(H)2-1,12-C2B10(OH)10
226255-50-1

closo-1,12-(H)2-1,12-C2B10(OH)10

B

closo-2,3,4,5,6,7,8,9,10,11-decahydroxy-1-sulfonic acid-1,12-dicarbadodecaborane(12)
396695-66-2

closo-2,3,4,5,6,7,8,9,10,11-decahydroxy-1-sulfonic acid-1,12-dicarbadodecaborane(12)

C

boric acid
11113-50-1

boric acid

Conditions
ConditionsYield
In water aq. 30% H2O2 added to B compd.; refluxed for 3.5 h; monitored by (11)B NMR spectra; cond. HBr added; stirred (room temp., 2 h); kept. (80°C, 8 h); Br2 removed by N2 steam; volatiles removed in vac.; triturated in MeOH; centrifuged; supernatant sepd.; repeated 5 times; residue dissolved in water; filtered; dried;A 5%
B 88%
C 3%
[Pt((c-C5H9)7Si7O10(OH)2)(C6H5)(1,2-bis(diphenylphosphino)ethane)]

[Pt((c-C5H9)7Si7O10(OH)2)(C6H5)(1,2-bis(diphenylphosphino)ethane)]

4-methoxyphenylboronic acid
5720-07-0

4-methoxyphenylboronic acid

[Pt(C6H4OCH3-p)(C6H5)(1,2-bis(diphenylphosphino)ethane)]*H2O

[Pt(C6H4OCH3-p)(C6H5)(1,2-bis(diphenylphosphino)ethane)]*H2O

B

boric acid
11113-50-1

boric acid

Conditions
ConditionsYield
In tetrahydrofuran byproducts: (c-C5H9)7Si7O9(OH)3; (Ar); std. Schlenk technique; B compd. was added to soln. of Pt complex in THF; heated at 60°C for 30 min; concd. (vac.); hexane added; cooled at -20°C; filtered; washed (H2O); dried (vac.); elem. anal.;A 88%
B n/a
In benzene-d6 byproducts: (c-C5H9)7Si7O9(OH)3; (Ar); std. Schlenk technique; mixt. of B compd. and Pt complex in C6D6 was heated at 60°C for 30 min; NMR monitoring;
In tetrahydrofuran-d8 byproducts: (c-C5H9)7Si7O9(OH)3; (Ar); std. Schlenk technique; mixt. of B compd. and Pt complex in THF-d8was heated at 60°C for 15 min; NMR monitoring;
diphenyl diselenide
1666-13-3

diphenyl diselenide

2,4,5-triphenyl-1,3-dioxoborole
4844-17-1

2,4,5-triphenyl-1,3-dioxoborole

A

boric acid
11113-50-1

boric acid

B

9,10-phenanthrenequinone
84-11-7

9,10-phenanthrenequinone

Conditions
ConditionsYield
In benzene Irradiation (UV/VIS); irrdn. for 2 h 40 min with a 450 W medium pressure mercury lamp (290 to 330 nm), under Ar; extn. (aq. NaOH), dried (Na2SO4), evapd., crystn. from hexane, yields 9,10-phenanthraquinone;A n/a
B 84%
[(Pt(Ph)(1,5-cyclooctadiene))2(μ-OH)](BF4)

[(Pt(Ph)(1,5-cyclooctadiene))2(μ-OH)](BF4)

2,4,6-trifluorophenylboronic acid
182482-25-3

2,4,6-trifluorophenylboronic acid

Pt(C6H2F3-2,4,6)(Ph)(1,5-cyclooctadiene)
899439-56-6

Pt(C6H2F3-2,4,6)(Ph)(1,5-cyclooctadiene)

B

boric acid
11113-50-1

boric acid

Conditions
ConditionsYield
In water; toluene room temp., 1 h, toluene/H2O = 100/1;A 83%
B n/a
In toluene under inert atm. to suspn. Pt complex in toluene water and (C6H2F3-2,4,6)B(OH)2 were added and stirred at room temp. for 1 h; solvent was evapd., residue was extd. by CDCl3; product was identified by NMR;A 83%
B n/a
cesium(1+)*arachno-6-SB9H12(1-)

cesium(1+)*arachno-6-SB9H12(1-)

A

arachno-4-SB8H12

arachno-4-SB8H12

B

boric acid
11113-50-1

boric acid

Conditions
ConditionsYield
With hydrogenchloride; formaldehyd In dichloromethane; water byproducts: H2, CH3OH; addn. of CH2Cl2, aq. soln. of CH2O and aq. HCl to suspn. of B-compd. in H2O, stirring (ambient temp., 20 min); sepn. of CH2Cl2 layer, drying (CaCl2), evapn. to dryness, sublimation (25°C, 1.3 Pa, cold surface at -70°C);A 81%
B n/a
cyanoborane
31139-16-9

cyanoborane

water
7732-18-5

water

A

hydrogen cyanide
74-90-8

hydrogen cyanide

B

hydrogen
1333-74-0

hydrogen

C

boric acid
11113-50-1

boric acid

Conditions
ConditionsYield
hydrolysis at 90-95°C;A 60%
B 80%
C 60%
tris(triphenylsiloxy)borane
1111-47-3

tris(triphenylsiloxy)borane

boric acid
11113-50-1

boric acid

Conditions
ConditionsYield
With acetic acid In benzene byproducts: triphenylacetoxysilane; reflux for 3h, molar ratio B-compd.:AcOH=1:3; H3BO3 pptd., elem. anal.;78%
[Pt((c-C5H9)7Si7O10(OH)2)(C6H5)(2,2'-bipyridine)]
1259401-57-4

[Pt((c-C5H9)7Si7O10(OH)2)(C6H5)(2,2'-bipyridine)]

4-methoxyphenylboronic acid
5720-07-0

4-methoxyphenylboronic acid

[Pt(C6H4OCH3-p)(C6H5)(2,2'-bipyridine)]*H2O

[Pt(C6H4OCH3-p)(C6H5)(2,2'-bipyridine)]*H2O

B

boric acid
11113-50-1

boric acid

Conditions
ConditionsYield
In tetrahydrofuran byproducts: (c-C5H9)7Si7O9(OH)3; (Ar); std. Schlenk technique; B compd. was added to soln. of Pt complex in THF; heated at 60°C for 4 h; concd. (vac.); hexane added; cooled at -20°C; filtered; washed (H2O); dried (vac.); elem. anal.;A 75%
B n/a
o-carboranylacetic acid
20644-59-1

o-carboranylacetic acid

2-aminoethyl β-D-galactopyranosyl-(1->4)-O-β-D-glucopyranoside
443770-01-2

2-aminoethyl β-D-galactopyranosyl-(1->4)-O-β-D-glucopyranoside

A

(2-[(1,2-dicarba-nido-undecaborane(12)-1-yl)acetylamino]ethyl) 4-O-(β-D-galactopyranosyl)-β-D-glucopyranoside(1-)

(2-[(1,2-dicarba-nido-undecaborane(12)-1-yl)acetylamino]ethyl) 4-O-(β-D-galactopyranosyl)-β-D-glucopyranoside(1-)

B

(2-[(1,2-dicarba-closo-dodecaborane(12)-1-yl)acetylamino]ethyl) 4-O-(β-D-galactopyranosyl)-β-D-glucopyranoside

(2-[(1,2-dicarba-closo-dodecaborane(12)-1-yl)acetylamino]ethyl) 4-O-(β-D-galactopyranosyl)-β-D-glucopyranoside

C

boric acid
11113-50-1

boric acid

Conditions
ConditionsYield
With 4-(4,6-dimethoxy[1.3.5]triazin-2-yl)-4-methylmorph In methanol; water under Ar atm. to soln. carbohydrate amine and o-carboranylacetic acid inaq. MeOH 4-(4,6-dimethoxy(1.3.5)triazin-2-yl)4-methylmorpholinium chlor ide was added and stirred at room temp. for 22 h; volatiles were removed in vacuo, residue was dissolved in H2O, reverse-phase chromy. (SepPak C18, H2O -> MeOH);A 7.6%
B 74.2%
C n/a
Trimethyl borate
121-43-7

Trimethyl borate

cyclotriboric acid trimethyl ester
102-24-9

cyclotriboric acid trimethyl ester

A

methanol
67-56-1

methanol

B

boric acid
11113-50-1

boric acid

Conditions
ConditionsYield
With waterA 72.5%
B n/a
tetramethyl-tetracarba-closo-docecaborane(12)

tetramethyl-tetracarba-closo-docecaborane(12)

A

(CH3)4C4B7H9

(CH3)4C4B7H9

B

boric acid
11113-50-1

boric acid

Conditions
ConditionsYield
In ethanol; water stirred in air for 12 h; EtOH removed in vac., extd. (hexane), filtered on SiO2, evapd., productyield dependence on H2O concn. in EtOH (40-60%);A 48%
B 68%
[(Pt(Ph)(1,5-cyclooctadiene))2(μ-OH)](BF4)

[(Pt(Ph)(1,5-cyclooctadiene))2(μ-OH)](BF4)

phenylboronic acid
98-80-6

phenylboronic acid

diphenyl(1,5-cyclooctadiene)platinum(II)

diphenyl(1,5-cyclooctadiene)platinum(II)

B

boric acid
11113-50-1

boric acid

Conditions
ConditionsYield
In water; toluene room temp., 1 h, toluene/H2O = 100/1;A 66%
B n/a
In toluene under inert atm. to suspn. Pt complex in toluene water and PhB(OH)2 wereadded and stirred at room temp. for 1 h; solvent was evapd., residue was extd. by CDCl3; product was identified by NMR;A 66%
B n/a
In toluene room temp., 1 h;A 38%
B n/a
[(Pt(Ph)(1,5-cyclooctadiene))2(μ-OH)](BF4)

[(Pt(Ph)(1,5-cyclooctadiene))2(μ-OH)](BF4)

4-methoxyphenylboronic acid
5720-07-0

4-methoxyphenylboronic acid

diphenyl(1,5-cyclooctadiene)platinum(II)

diphenyl(1,5-cyclooctadiene)platinum(II)

(1,5-cyclooctadiene)Pt(C6H4-4-OMe)(C6H5)
791838-95-4

(1,5-cyclooctadiene)Pt(C6H4-4-OMe)(C6H5)

C

boric acid
11113-50-1

boric acid

Conditions
ConditionsYield
In toluene room temp., 1 h;A 64%
B 14%
C n/a
phenyl(m-carboran-9-yl)chloronium tetrafluoroborate
99506-47-5

phenyl(m-carboran-9-yl)chloronium tetrafluoroborate

A

9-chloro-m-carborane
17819-85-1

9-chloro-m-carborane

B

9-hydroxy-1,7-dicarba-closo-dodecaborane
54360-42-8

9-hydroxy-1,7-dicarba-closo-dodecaborane

C

boric acid
11113-50-1

boric acid

Conditions
ConditionsYield
With water In water stirred for 200 h, 20-40°C; extracted with benzene, evaporated to dryness, chromatographed on silica (1. benzene-hexane (1:1), 2. ether), IR;A 8%
B 56%
C 33%
anhydride of boric acid

anhydride of boric acid

water
7732-18-5

water

boric acid
11113-50-1

boric acid

Conditions
ConditionsYield
In water under N2 or Ar; by a react. of B-contg. compd. with H2O; evapn. of water at 80°C under vac.;52%
boron tribromide
10294-33-4

boron tribromide

A

boron

boron

B

boron trioxide

boron trioxide

C

boron nitride
10043-11-5

boron nitride

boron

boron

E

boric acid
11113-50-1

boric acid

Conditions
ConditionsYield
With H2; N2 In neat (no solvent) Electric Arc; pulse heating (plasma, puls repitition rate 5-12,5 Hz, N2 flow 0.2 - 1.65 l/min, H2 flow 1.13 - 3.5 l/min9; further products; X-ray diffraction;A n/a
B n/a
C 50%
D n/a
E n/a
1,6-dicarba-closo-decaborane(10)
23704-81-6

1,6-dicarba-closo-decaborane(10)

boric acid
11113-50-1

boric acid

Conditions
ConditionsYield
With HCl In tetrahydrofuran 25°C, 10 h, acidic hydrolysis;50%
sodium tetrahydroborate
16940-66-2

sodium tetrahydroborate

trifluoroborane diethyl ether
109-63-7

trifluoroborane diethyl ether

A

sodium tetrafluoroborate
13755-29-8

sodium tetrafluoroborate

B

nido-decaborane
17702-41-9

nido-decaborane

C

diethyl ether
60-29-7

diethyl ether

D

boric acid
11113-50-1

boric acid

Conditions
ConditionsYield
With potassium permanganate; sulfuric acid In water; diethylene glycol; benzene byproducts: H2; NaBH4 in diglyme heated to 105°C and BF3*OEt2 added for 6 h and stirred for 1 h, mixt. cooled under N2 atm., water added, diglyme removed, H2SO4, benzene and KMnO4 added and react. mixt. stirred at 10°C; mixt. filtered, layers separated, benzene layer washed with water and dried over anhyd. MgSO4, evapd. and sublimed;A n/a
B 47%
C n/a
D n/a
With sulfuric acid; dihydrogen peroxide; iron(II) sulfate In hexane; water; diethylene glycol byproducts: H2; NaBH4 in diglyme heated to 105°C and BF3*OEt2 added for 6 h and stirred for 1 h, mixt. cooled under N2 atm., water added, diglyme removed, H2SO4, hexane and FeSO4, then H2O2 added and react. mixt. stirred at 35°C; mixt. filtered, layers separated, hexane layer washed with water and dried over anhyd. MgSO4;A n/a
B 44%
C n/a
D n/a
With sulfuric acid; dihydrogen peroxide In water; diethylene glycol; benzene byproducts: H2; NaBH4 in diglyme heated to 105°C and BF3*OEt2 added for 6 h and stirred for 1 h, mixt. cooled under N2 atm., water added, diglyme removed, H2SO4, benzene and then H2O2 added and react. mixt. stirred for 68 h; mixt. filtered, layers separated, benzene layer washed with water and dried over anhyd. MgSO4;A n/a
B 41.1%
C n/a
D n/a
closo-1,12-bis(sulfonic acid)-1,12-dicarbadodecaborane(12)
396695-62-8

closo-1,12-bis(sulfonic acid)-1,12-dicarbadodecaborane(12)

dihydrogen peroxide
7722-84-1

dihydrogen peroxide

A

closo-2,3,4,5,6,7,8,9,10,11-decahydroxy-1-sulfonic acid-1,12-dicarbadodecaborane(12)
396695-66-2

closo-2,3,4,5,6,7,8,9,10,11-decahydroxy-1-sulfonic acid-1,12-dicarbadodecaborane(12)

B

closo-2,3,4,5,6,7,8,9,10,11-decahydroxy-1,12-bis(sulfonicacid)-1,12-dicarbadodecaborane(12) hexahydrate

closo-2,3,4,5,6,7,8,9,10,11-decahydroxy-1,12-bis(sulfonicacid)-1,12-dicarbadodecaborane(12) hexahydrate

C

boric acid
11113-50-1

boric acid

Conditions
ConditionsYield
In water excess of aq. 30% H2O2 added to B compd.; refluxed for 5 h; monitored by(11)B NMR spectra; concd. HBr added; stirred for 2 h at room temp.; kep t at 80°C for 8 h; Br2 removed by N2 steam; volatiles removed in vac.; triturated in MeOH; centrifuged; supernatant sepd.; repeated 5 times; residue dissolved in water; filtered; dried (mono-sulfonic acid compd.); MeOH washings evapd. slowly (bis-sulfonic acid compd.);A 15%
B 45%
C n/a
2-phenoxy-4-methyl-1,3,2-dioxaborinane
173788-87-9

2-phenoxy-4-methyl-1,3,2-dioxaborinane

benzoyl chloride
98-88-4

benzoyl chloride

A

hydrogenchloride
7647-01-0

hydrogenchloride

B

benzoic acid phenyl ester
93-99-2

benzoic acid phenyl ester

C

boric acid
11113-50-1

boric acid

Conditions
ConditionsYield
In benzene byproducts: 1,3-butanediol; acylchlorid dropwise addn. to soln. of B-compd., boiling (40 min), 1 d at room temperature, aq. HCl addn.;A n/a
B 43%
C n/a
dimethylsulfide
75-18-3

dimethylsulfide

[closo-1-CB9H9-1-N2]
1179328-70-1

[closo-1-CB9H9-1-N2]

A

(CH3)2SCB9H9
201339-68-6

(CH3)2SCB9H9

B

boric acid
11113-50-1

boric acid

Conditions
ConditionsYield
A 40%
B n/a
[(Pt(Ph)(1,5-cyclooctadiene))2(μ-OH)](BF4)

[(Pt(Ph)(1,5-cyclooctadiene))2(μ-OH)](BF4)

2,4,6-trifluorophenylboronic acid
182482-25-3

2,4,6-trifluorophenylboronic acid

Pt(C6H2F3-2,4,6)(Ph)(1,5-cyclooctadiene)
899439-56-6

Pt(C6H2F3-2,4,6)(Ph)(1,5-cyclooctadiene)

Pt(C6H2F3-2,4,6)2(cod)
94352-68-8

Pt(C6H2F3-2,4,6)2(cod)

C

boric acid
11113-50-1

boric acid

Conditions
ConditionsYield
In toluene room temp., 1 h;A 36%
B 1%
C n/a
closo-1,12-bis(sulfinic acid)-1,12-dicarbadodecaborane(12)
396695-64-0

closo-1,12-bis(sulfinic acid)-1,12-dicarbadodecaborane(12)

dihydrogen peroxide
7722-84-1

dihydrogen peroxide

A

closo-2,3,4,5,6,7,8,9,10,11-decahydroxy-1-sulfonic acid-1,12-dicarbadodecaborane(12)
396695-66-2

closo-2,3,4,5,6,7,8,9,10,11-decahydroxy-1-sulfonic acid-1,12-dicarbadodecaborane(12)

B

closo-2,3,4,5,6,7,8,9,10,11-decahydroxy-1,12-bis(sulfonicacid)-1,12-dicarbadodecaborane(12) hexahydrate

closo-2,3,4,5,6,7,8,9,10,11-decahydroxy-1,12-bis(sulfonicacid)-1,12-dicarbadodecaborane(12) hexahydrate

C

boric acid
11113-50-1

boric acid

Conditions
ConditionsYield
In water excess of aq. 30% H2O2 added to B compd.; refluxed for 5 h; monitored by(11)B NMR spectra; concd. HBr added; stirred for 2 h at room temp.; kep t at 80°C for 8 h; Br2 removed by N2 steam; volatiles removed in vac.; triturated in MeOH; centrifuged; supernatant sepd.; repeated 5 times; residue dissolved in water; filtered; dried (mono-sulfonic acid compd.); MeOH washings evapd. slowly (bis-sulfonic acid compd.);A 25%
B 35%
C n/a
2-(1-adamantyl)-1,3,2-dioxaborinane
79193-50-3

2-(1-adamantyl)-1,3,2-dioxaborinane

boric acid
11113-50-1

boric acid

Conditions
ConditionsYield
With water In neat (no solvent) (N2), boiled with reflux condenser for 30 min; extd. (ether);29%
With hydrogenchloride; water In diethyl ether Kinetics; byproducts: adamantane, adamantanol; (N2), C10H15B02C3H6 hydrolysed by 5% HCl (stirred at 20°C for several days); GLC;
With water In diethyl ether Kinetics; byproducts: adamantane, adamantanol; (N2), soln. of C10H15B02C3H6 added to water and stirred at 20°C for several days; aq. layer removed, washed (ether); GLC;
bis-9-M-carboranylbromonium borofluoride
84633-96-5

bis-9-M-carboranylbromonium borofluoride

boric acid
11113-50-1

boric acid

Conditions
ConditionsYield
With water soln. of bis(9-m-carboranyl)bromonium borofluoride in water boiled for 4h; diluted with acetone, extn. with CH2Cl2, distn. in vac., addn. of etherpptn. of unreacted carborane, evapn. of aq. ext. left boric acid;25%
rubidium chloride

rubidium chloride

boric acid
11113-50-1

boric acid

rubidium pentaborate

rubidium pentaborate

Conditions
ConditionsYield
With steam In neat (no solvent) heating of a mixt. of RbCl and boric acid in a stream of water-vapour at 100-150°C;;100%
With steam In neat (no solvent) heating of a mixt. of RbCl and boric acid in a stream of water-vapour at 100-150°C;;100%
With water byproducts: HCl; 100-150°C with steam;
With H2O byproducts: HCl; 100-150°C with steam;
propan-1-ol
71-23-8

propan-1-ol

mannitol
69-65-8

mannitol

boric acid
11113-50-1

boric acid

1,2,3,4,5,6-hexakis-O-dipropoxyboryl-D-mannitol

1,2,3,4,5,6-hexakis-O-dipropoxyboryl-D-mannitol

Conditions
ConditionsYield
In toluene boiling a mixt. of D-mannitol, H3BO3, and n-propanol in toluene on a Dean-Stark apparatus (azeotropic removal of H2O);; removal of toluene and propanol; elem. anal.;;100%
salicylic alcohol
90-01-7

salicylic alcohol

boric acid
11113-50-1

boric acid

triphenylhydroxysilane
791-31-1

triphenylhydroxysilane

2-triphenylsiloxy-4H-1,3,2-benzodioxaborin
82172-56-3

2-triphenylsiloxy-4H-1,3,2-benzodioxaborin

Conditions
ConditionsYield
In benzene byproducts: H2O; azeotropic removal of water; elem. anal.;100%
boric acid
11113-50-1

boric acid

benzene-1,2-diol
120-80-9

benzene-1,2-diol

triphenylhydroxysilane
791-31-1

triphenylhydroxysilane

2-triphenylsiloxy-1,3,2-benzodioxaborole
82172-55-2

2-triphenylsiloxy-1,3,2-benzodioxaborole

Conditions
ConditionsYield
In benzene byproducts: H2O; azeotropic removal of water; elem. anal.;100%
boric acid
11113-50-1

boric acid

ethylene glycol
107-21-1

ethylene glycol

triphenylhydroxysilane
791-31-1

triphenylhydroxysilane

2-triphenylsiloxy-1,3,2-dioxaborolane
82172-50-7

2-triphenylsiloxy-1,3,2-dioxaborolane

Conditions
ConditionsYield
In benzene byproducts: H2O; azeotropic removal of water; distd. in vac., elem. anal.;100%
cadmium(II) carbonate
739319-89-2

cadmium(II) carbonate

cadmium(II) fluoride

cadmium(II) fluoride

boric acid
11113-50-1

boric acid

cadmium fluoroborate

cadmium fluoroborate

Conditions
ConditionsYield
With lead(II) fluoride In neat (no solvent, solid phase) at 450 - 800℃; for 48h;100%
boric acid
11113-50-1

boric acid

benzene-1,2-diol
120-80-9

benzene-1,2-diol

tris(catecholato)diboron
37737-62-5

tris(catecholato)diboron

Conditions
ConditionsYield
In toluene Dean-Stark; Reflux;100%
antimony pentoxide

antimony pentoxide

boric acid
11113-50-1

boric acid

sodium carbonate
497-19-8

sodium carbonate

Na2SbB3O8

Na2SbB3O8

Conditions
ConditionsYield
at 750℃; for 72h;100%
antimony pentoxide

antimony pentoxide

boric acid
11113-50-1

boric acid

potassium carbonate
584-08-7

potassium carbonate

K2SbB3O8

K2SbB3O8

Conditions
ConditionsYield
at 750℃; for 72h;100%
rubidium carbonate

rubidium carbonate

antimony pentoxide

antimony pentoxide

boric acid
11113-50-1

boric acid

Rb2SbB3O8

Rb2SbB3O8

Conditions
ConditionsYield
at 750℃; for 72h;100%
ytterbium(III) oxide

ytterbium(III) oxide

cadmium(II) carbonate
739319-89-2

cadmium(II) carbonate

boric acid
11113-50-1

boric acid

3BO3(3-)*4Cd(2+)*Yb(3+)*O(2-)

3BO3(3-)*4Cd(2+)*Yb(3+)*O(2-)

Conditions
ConditionsYield
at 950℃; for 120h;100%
phosphoric acid
86119-84-8, 7664-38-2

phosphoric acid

water
7732-18-5

water

boric acid
11113-50-1

boric acid

magnesium oxide

magnesium oxide

luneburgite

luneburgite

Conditions
ConditionsYield
for 0.166667h; Heating;100%
2,5-Bis(2-hydroxypropylthio)-1,3,4-thiadiazole
107641-99-6

2,5-Bis(2-hydroxypropylthio)-1,3,4-thiadiazole

N,N-diethanolstearylamine
10213-78-2

N,N-diethanolstearylamine

boric acid
11113-50-1

boric acid

C52H102B2N4O6S3

C52H102B2N4O6S3

Conditions
ConditionsYield
for 8h;100%
C60H48N4O6

C60H48N4O6

boric acid
11113-50-1

boric acid

C60H42B2N4O6

C60H42B2N4O6

Conditions
ConditionsYield
In chloroform for 66h; Reflux;100%
fuming sulphuric acid

fuming sulphuric acid

boric acid
11113-50-1

boric acid

lead dioxide

lead dioxide

lead(II) borosulfate

lead(II) borosulfate

Conditions
ConditionsYield
at 119.84℃; for 24h; Sealed tube;100%
butanoic acid anhydride
106-31-0

butanoic acid anhydride

C14H11F2NO4

C14H11F2NO4

boric acid
11113-50-1

boric acid

C21H22BF2NO8

C21H22BF2NO8

Conditions
ConditionsYield
Stage #1: butanoic acid anhydride; boric acid at 90 - 120℃; for 3h; Inert atmosphere;
Stage #2: C14H11F2NO4 at 115℃; for 2h;
100%
rubidium carbonate

rubidium carbonate

neodymium(III) oxide

neodymium(III) oxide

boric acid
11113-50-1

boric acid

germanium dioxide

germanium dioxide

RbNdGe2O6

RbNdGe2O6

Conditions
ConditionsYield
Stage #1: rubidium carbonate; neodymium(III) oxide; boric acid; germanium dioxide at 1050℃; for 48h;
Stage #2: at 950℃;
100%
ammonium sulfate

ammonium sulfate

sulfuric acid
7664-93-9

sulfuric acid

sulfur trioxide
7446-11-9

sulfur trioxide

boric acid
11113-50-1

boric acid

3H3N*3H(1+)*B(SO4)3(3-)

3H3N*3H(1+)*B(SO4)3(3-)

Conditions
ConditionsYield
at 300℃; for 3h;100%
strontium(II) carbonate
1633-05-2

strontium(II) carbonate

sulfuric acid
7664-93-9

sulfuric acid

sulfur trioxide
7446-11-9

sulfur trioxide

boric acid
11113-50-1

boric acid

Sr(2+)*2{B(SO4)2}(1-)=Sr{B(SO4)2}2

Sr(2+)*2{B(SO4)2}(1-)=Sr{B(SO4)2}2

Conditions
ConditionsYield
at 180℃; for 24h;100%
boric acid
11113-50-1

boric acid

pyroglutamoyl chloride
55478-53-0

pyroglutamoyl chloride

Li(1+)*C10H10BN2O6(1-)

Li(1+)*C10H10BN2O6(1-)

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 10℃; under 750.075 Torr; for 12h; Flow reactor;99.1%
croconic acid
488-86-8

croconic acid

boric acid
11113-50-1

boric acid

1,4-Dioxane-2,3,5,6-tetrone
213967-57-8

1,4-Dioxane-2,3,5,6-tetrone

Li(1+)*C7BO9(1-)

Li(1+)*C7BO9(1-)

Conditions
ConditionsYield
In water at 20℃; under 0 Torr; for 8h; Flow reactor;99.1%
boric acid
11113-50-1

boric acid

bis(tri-n-butyltin)oxide
56-35-9

bis(tri-n-butyltin)oxide

(C4H9)3SnOB(OH)2
57754-92-4

(C4H9)3SnOB(OH)2

Conditions
ConditionsYield
byproducts: H2O; B(OH)3 excess; 160°C;99%
byproducts: H2O; B(OH)3 excess; 160°C;99%
boric acid
11113-50-1

boric acid

vanadia

vanadia

ethylenediamine
107-15-3

ethylenediamine

4H3NC2H4NH3(2+)*V6B20O50H8(8-)*5H2O=(H3NC2H4NH3)4V6B20O50H8*5H2O

4H3NC2H4NH3(2+)*V6B20O50H8(8-)*5H2O=(H3NC2H4NH3)4V6B20O50H8*5H2O

Conditions
ConditionsYield
In melt heating at 180°C for 3 days;99%
ammonia
7664-41-7

ammonia

boric acid
11113-50-1

boric acid

boron nitride
10043-11-5

boron nitride

Conditions
ConditionsYield
With multi-walled carbon nanotubes In solid byproducts: CO, H2, H2O; mixt. of multi-walled carbon nanotubes and H3BO3 taken in quartz tube, NH3 gas passed through with 10 sccm flow rate at 200 °C 2 h, temp.slowly raised to 1000 °C for 3 h;99%
With pyrographite; iron In neat (no solvent) byproducts: CO, H2, H2O; mixt. of activated carbon, H3BO3 and ferric nitrate (mole ratio of 3:1:0.1) taken in quartz tube, dried in oven at 60 °C 6 h, NH3 gas passed through with 10 sccm flow rate, heating at 1300 °C for 4 h;
byproducts: H2O; synthesis of BN coating on the surfaces of carbon nanotubes and nanofibers around 1150°C using infiltration of nanotubes with boric acid and nitridation in ammonia;
boric acid
11113-50-1

boric acid

2,3-naphthalenediol
92-44-4

2,3-naphthalenediol

cinchonidine
1071759-34-6

cinchonidine

cinchonidinium (bis-2,3-naphthalenediyl)orthoborate salt

cinchonidinium (bis-2,3-naphthalenediyl)orthoborate salt

Conditions
ConditionsYield
In acetone mixt. of alkaloid, boric acid and 2,3-dihydroxynaphthalene (molar ratio 1:1:2) dissolved in hot acetone, warmed; evapd., noncryst. solid product;99%
tri(ethylenediamine) cobalt(III) chloride dihydrate

tri(ethylenediamine) cobalt(III) chloride dihydrate

phosphoric acid
86119-84-8, 7664-38-2

phosphoric acid

boric acid
11113-50-1

boric acid

boron trifluoride monoethylamine

boron trifluoride monoethylamine

C2H10N2(2+)*CoB2P3O12(OH)(2-) = [C2H10N2][CoB2P3O12(OH)]

C2H10N2(2+)*CoB2P3O12(OH)(2-) = [C2H10N2][CoB2P3O12(OH)]

Conditions
ConditionsYield
In water hydrothermal synthesis (180°C, 5 d); elem. anal.;99%
D-Malic acid
636-61-3

D-Malic acid

boric acid
11113-50-1

boric acid

sodium hydroxide
1310-73-2

sodium hydroxide

sodium (S,S,S)-dimalatoborate

sodium (S,S,S)-dimalatoborate

Conditions
ConditionsYield
In water malic acid dissolved in H2O, treated with boric acid, aq. NaOH added, stirred in open flask at 100 °C for ca. 4 h; mixt. evapd.; detd. by NMR, XRD;99%
boric acid
11113-50-1

boric acid

6-methyl-5-hepten-3-yn-1-ol

6-methyl-5-hepten-3-yn-1-ol

tris(6-methyl-5-hepten-3-yn-1-oxy)borane

tris(6-methyl-5-hepten-3-yn-1-oxy)borane

Conditions
ConditionsYield
In toluene byproducts: H2O; (N2); stirring of mixt. of boric acid and 6-methyl-5-hepten-3-yn-1-ol intoluene under reflux for 12 h with removal of water by a Dean-Stark tra p; evapn. of solvent by distn. (180-230°C/0.5 mmHg);99%
4-hydroxythioanisole
1073-72-9

4-hydroxythioanisole

boric acid
11113-50-1

boric acid

sodium 4-methylthio-phenolate
24676-71-9

sodium 4-methylthio-phenolate

sodium tetrakis(4-methylthiophenoxy)borate

sodium tetrakis(4-methylthiophenoxy)borate

Conditions
ConditionsYield
In toluene phenol (excess) and acid heated for 2 h (Dean-Stark trape), volatiles removed (vac.), dissolved (THF), added dropwise to a soln. of Na compd. (THF), stirred for 1-12 h; ppt. filtered, washed (diethyl ether, pentane), dried (high vac.); elem.anal.;99%

11113-50-1Related news

Aquaglyceroporins Are the Entry Pathway of Boric acid (cas 11113-50-1) in Trypanosoma brucei07/26/2019

The boron element possesses a range of different effects on living beings. It is essential to beneficial at low concentrations, but toxic at excessive concentrations. Recently, some boron-based compounds have been identified as promising molecules against Trypanosoma brucei, the causative agent ...detailed

Evaluation of the antimicrobial and intestinal integrity properties of Boric acid (cas 11113-50-1) in broiler chickens infected with Salmonella enteritidis: Proof of concept07/25/2019

The objectives of the present study were to evaluate the antimicrobial effect of boric acid (BA) on Salmonella enteritidis colonization, intestinal permeability, total intestinal IgA levels, and cecal microbiota composition in broiler chickens. For this purpose, sixty day-old-chicks were randoml...detailed

Spectroscopic and conductometric behavior of Boric acid (cas 11113-50-1) in water and in an aprotic polar solvent07/24/2019

IR and Raman measurements were carried out for boric acid in water and DMSO. IR-active bands at 1410 and 1150 cm−1, which have been related to the E′ representation, were not observed in the Raman spectrum of the acid in water. At the same time, the 1060 cm−1 band, which should be Raman-active ...detailed

Pre-storage exogenous application of Boric acid (cas 11113-50-1) extends storability and maintains quality of pear fruits07/22/2019

Present studies were carried out to investigate the potential of boric acid to extend storage the life of pear (Pyrus pyrifolia L.) cv. ‘Patharnakh’ fruits. Pear fruits were dipped in aqueous solutions of different concentrations (0- water dip, 1–3%) of boric acid for 5 min and thereafter sto...detailed

Effect of Boric acid (cas 11113-50-1) content on the properties of magnesium phosphate cement07/20/2019

Magnesium phosphate cements (MPC) are materials prepared by reacting magnesium oxide with water-soluble phosphates such as mono-ammonium dihydrogen phosphate (ADP), which solidify at ambient temperature through the formation of hydrated phases in the material. A great advantage of these ceramics...detailed

Ceramic nanofiltration and membrane distillation hybrid membrane processes for the purification and recycling of Boric acid (cas 11113-50-1) from simulative radioactive waste water07/21/2019

To reduce the emission of radioactive waste water and reuse high-value 10B-rich nuclear-grade boric acid from a nuclear power plant, a two-step membrane process was proposed based on the combination of two types of ceramic membranes. First, a ceramic nanofiltration membrane was used to purify th...detailed

Antifibrotic Effect of Boric acid (cas 11113-50-1) in Rats with Epidural Fibrosis07/19/2019

BackgroundEpidural fibrosis is a major problem after spine surgery, with some patients having recurrent symptoms secondary to excessive formation of scar tissue resulting in neurologic compression. We used a rat laminectomy model to determine if topical application of boric acid could be helpful...detailed

Removal of nuclides and Boric acid (cas 11113-50-1) from simulated radioactive wastewater by forward osmosis07/18/2019

In this paper, the removal of nuclides and boric acid from the simulated borate-containing radioactive wastewater was studied using forward osmosis (FO) process. The effect of membrane materials and their orientation, as well as borate concentration on the flux and retentions of nuclides and bor...detailed

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