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Cas Database

544-92-3

544-92-3

Identification

  • Product Name:Copper(I) cyanide

  • CAS Number: 544-92-3

  • EINECS:208-883-6

  • Molecular Weight:89.5637

  • Molecular Formula: CuCN

  • HS Code:2837199011

  • Mol File:544-92-3.mol

Synonyms:Copper cyanide (Cu(CN));AI3-28745;Copper cyanide;Copper(+1) cyanide;Cupricin;Cuprous cyanide;HSDB 1438;RCRA waste number P029;

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Safety information and MSDS view more

  • Pictogram(s):VeryT+,DangerousN,ToxicT

  • Hazard Codes: T+:Very toxic;

  • Signal Word:Danger

  • Hazard Statement:H300 Fatal if swallowedH310 Fatal in contact with skin H330 Fatal if inhaled H410 Very toxic to aquatic life with long lasting effects

  • First-aid measures: General adviceConsult a physician. Show this safety data sheet to the doctor in attendance.If inhaled If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician. In case of skin contact Wash off with soap and plenty of water. Consult a physician. In case of eye contact Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician. If swallowed Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician. Following severe exposure to dust, symptoms of cyanide poisoning may develop (see ingestion). Ingestion causes anxiety, confusion, dizziness, sudden loss of consciousness, odor of bitter almonds on breath or in vomitus, rapid weak pulse, convulsions, and paralysis. Contact with eyes causes irritation. (USCG, 1999) Basic Treatment: Establish a patent airway. Suction if necessary. Watch for signs of respiratory insufficiency and assist ventilations if necessary. Administer oxygen by nonrebreather mask at 10 to 15 L/min. Monitor for shock and treat if necessary ... . For eye contamination, flush eyes immediately with water. Irrigate each eye continuously with normal saline during transport ... . Do not use emetics. For ingestion, rinse mouth and administer 5 ml/kg up to 200 ml of water for dilution if the patient can swallow, has a strong gag reflex, and does not drool. Administer activated charcoal ... . /Copper and related compounds/

  • Fire-fighting measures: Suitable extinguishing media If material involved in fire: Extinguish fire using agent suitable for type of surrounding fire. (Material itself does not burn or burns with difficulty.) Use foam, dry chemical or carbon dioxide. Do not use water on material itself. If large quantities of combustibles are involved, use water in flooding quantities as spray and fog. Use water spray to knock down vapors. Special Hazards of Combustion Products: Toxic hydrogen cyanide gas may form in fires. (USCG, 1999) Wear self-contained breathing apparatus for firefighting if necessary.

  • Accidental release measures: Use personal protective equipment. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust. For personal protection see section 8. Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided. STUDIES OF WASTEWATER TREATMENT AT 6 METAL ELECTROPLATING PLANTS REVEALED THAT A PH OF 9-10, A POLYMERIC FLOCCULANT, AND A CONVENTIONAL CLARIFIER-SLUDGE SYSTEM WERE THE MOST EFFECTIVE TREATMENTS. REACTION TIMES WERE GREATEST FOR THE OXIDATION OF NICKEL CYANIDE, FOLLOWED BY COPPER CYANIDE, & THEN ZINC CYANIDE.

  • Handling and storage: Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Avoid exposure - obtain special instructions before use.Provide appropriate exhaust ventilation at places where dust is formed. For precautions see section 2.2. ... SHOULD BE STORED IN COOL, WELL-VENTILATED PLACE, OUT OF DIRECT RAYS OF SUN, AWAY FROM ... FIRE HAZARD, & SHOULD BE PERIODICALLY INSPECTED & MONITORED. INCOMPATIBLE MATERIALS SHOULD BE ISOLATED ... /CYANIDES & COPPER CMPD/

  • Exposure controls/personal protection:Occupational Exposure limit valuesRecommended Exposure Limit: 15 Min Short-Term Exposure Limit: 4.7 ppm (5 mg/cu m). Skin. /Hydrogen cyanide/Recommended Exposure Limit: 10 Hr Time-Weighted Avg: 1 mg/cu m. /Copper (dusts and mists)/Biological limit values Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at the end of workday. Eye/face protection Safety glasses with side-shields conforming to EN166. Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU). Skin protection Wear impervious clothing. The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace. Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique(without touching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices. Wash and dry hands. The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and the standard EN 374 derived from it. Respiratory protection Wear dust mask when handling large quantities. Thermal hazards

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Relevant articles and documentsAll total 3 Articles be found

METHOD FOR PREPARING LAMOTRIGINE AND ITS INTERMEDIATE 2,3-DICHLOROBENZOYL CHLORIDE

-

Page/Page column 14, (2010/11/29)

The invention relates to an improved method for preparing 3,5-diamino-6-(2,3-dichlorophenyl)-1,2,4-triazine, also commonly known as lamotrigine. The present invention also relates to a method for preparing the intermediate 2,3-dichlorobenzoyl chloride, which comprises the synthesis by photochlorination of 2,3-dichlorobenzotrichloride followed by hydrolysis thereof. Said 2,3-dichlorobenzoyl chloride intermediate is useful for preparing lamotrigine.

THERAPEUTIC USE OF ARYL AMINO ACID DERIVATIVES

-

Page/Page column 35-36, (2010/02/06)

The compounds of formula (I) are useful in the treatment of faintness attacks, hypokinesia, cranial disorders, neurodegenerative disorders, depression, anxiety, panic, neuropathic pain, neuropathological disorders and sleep disorders. Processes for the preparation of the final products and intermediates useful in the process are included. Pharmaceutical compositions containing one or more of the compounds are also included.

Electrochemistry of cyanocopper thiomolybdates and thiotungstates: Redox-based interconversion of species

Kony, Michael,Bond, Alan M.,Wedd, Anthony G.

, p. 4521 - 4525 (2008/10/08)

[MoS4]2- and its 1:1 and 1:2 CuCN adducts [(CN)CuS2MoS2]2- and [(CN)CuS2MoS2Cu(CN)]2- each exhibit electrochemically reversible one-electron reductions in MeCN at fast scan rates (>500 mV s-1). At lower scan rates, the reduced adduct species are unstable to dissociation of CuCN, leading to interconversion of the three anions. The tungsten analogues show similar properties.

Process route upstream and downstream products

Process route

sodium cyanide
143-33-9,25596-52-5

sodium cyanide

copper(l) chloride

copper(l) chloride

copper(I) cyanide
544-92-3

copper(I) cyanide

Conditions
Conditions Yield
In water; at 100 ℃; for 1h;
94.2%
potassium cyanide
151-50-8

potassium cyanide

copper(II) sulfate
7758-99-8

copper(II) sulfate

copper(I) cyanide
544-92-3

copper(I) cyanide

Conditions
Conditions Yield
In water; toluene; at 0 - 60 ℃;
potassium tetracyanocuprate (I)

potassium tetracyanocuprate (I)

copper(I) cyanide
544-92-3

copper(I) cyanide

Conditions
Conditions Yield
With acids; In water; decompn. in dild. acids;;
With acids; In water; decompn. in dild. acids;;
With HCl; In water; decompn. in excess of HCl;; pptn.;;
3Cu<sup>(1+)</sup>*2K<sup>(1+)</sup>*5CN<sup>(1-)</sup>=Cu<sub>3</sub>K<sub>2</sub>(CN)5

3Cu(1+)*2K(1+)*5CN(1-)=Cu3K2(CN)5

copper(I) cyanide
544-92-3

copper(I) cyanide

Conditions
Conditions Yield
With acids; In water; decompn. in acids;;
With acids; In water; decompn. in acids;;
potassium cyanide copper (I)-cyanide (1:1)

potassium cyanide copper (I)-cyanide (1:1)

hydrogen cyanide
74-90-8

hydrogen cyanide

copper(I) cyanide
544-92-3

copper(I) cyanide

Conditions
Conditions Yield
With acids; In water; decompn. in acids;; CuCN as ppt.;;
With acids; In water; decompn. in acids;; CuCN as ppt.;;
sodium cyanide
143-33-9,25596-52-5

sodium cyanide

copper(I) cyanide
544-92-3

copper(I) cyanide

Conditions
Conditions Yield
With sodium hydroxide; water; copper(II) sulfate; sodium sulfite;
With water; sodium hydrogensulfite; copper(II) sulfate; at 60 ℃;
3Cu<sup>(1+)</sup>*5Hg<sup>(2+)</sup>*3Cl<sup>(1-)</sup>*10CN<sup>(1-)</sup>=Cu<sub>3</sub>Hg<sub>5</sub>Cl<sub>3</sub>(CN)10

3Cu(1+)*5Hg(2+)*3Cl(1-)*10CN(1-)=Cu3Hg5Cl3(CN)10

copper(I) cyanide
544-92-3

copper(I) cyanide

copper(l) chloride

copper(l) chloride

Conditions
Conditions Yield
With water; In hydrogenchloride; addn. of water to soln.;;
With H2O; In hydrogenchloride;
potassium cyanide copper (I)-cyanide (1:1)

potassium cyanide copper (I)-cyanide (1:1)

copper(I) cyanide
544-92-3

copper(I) cyanide

Conditions
Conditions Yield
In water; decompn. in cold water;; pptn.;;
In water; decompn. in water;; pptn.;;
In water; decompn. in cold water;; pptn.;;
In water; decompn. in water;; pptn.;;
copper(l) iodide
7681-65-4

copper(l) iodide

mercury(II) cyanide
592-04-1

mercury(II) cyanide

copper(I) cyanide
544-92-3

copper(I) cyanide

Conditions
Conditions Yield
In water; byproducts: HgI2; excess CuI;;
>99
In water; byproducts: HgI2; in coldness or in heat;;
In water;
water
7732-18-5

water

potassium tetracyanocuprate (I)

potassium tetracyanocuprate (I)

hydrogen cyanide
74-90-8

hydrogen cyanide

copper(I) cyanide
544-92-3

copper(I) cyanide

Conditions
Conditions Yield
With NH4-salt; In water;
With NH4-salt; In water;

Global suppliers and manufacturers

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  • Chemwill Asia Co., Ltd.
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  • Amadis Chemical Co., Ltd.
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  • Contact Tel:86-571-89925085
  • Emails:sales@amadischem.com
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  • Kono Chem Co.,Ltd
  • Business Type:Other
  • Contact Tel:86-29-86107037-8015
  • Emails:info@konochemical.com
  • Main Products:83
  • Country:China (Mainland)
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