CAS 544-92-3|Copper cyanide

Introduction：Basic information about CAS 544-92-3|Copper cyanide, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Toxicological Information
CHEMICAL IDENTIFICATION
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
4. Safety Information
5. Customs
6. Articles4
7. Synonyms

Common Name	Copper cyanide
CAS Number	544-92-3	Molecular Weight	89.56340
Density	2.92 g/mL at 25 °C(lit.)	Boiling Point	/
Molecular Formula	CCuN	Melting Point	474 °C(lit.)
MSDS	ChineseUSA	Flash Point	140°C(lit.)
Symbol	GHS06, GHS09	Signal Word	Danger

Names

Name	Copper(I) cyanide
Synonym	More Synonyms

Chemical & Physical Properties

Density	2.92 g/mL at 25 °C(lit.)
Melting Point	474 °C(lit.)
Molecular Formula	CCuN
Molecular Weight	89.56340
Flash Point	140°C(lit.)
Exact Mass	88.93270
PSA	23.79000
LogP	0.01428
InChIKey	DOBRDRYODQBAMW-UHFFFAOYSA-N
SMILES	[C-]#N.[Cu+]
Stability	Stable. Incompatible with acids, bases, magnesium. Reacts violently with oxidizing agents, nitrates. Reaction with acid releases highly toxic gas (HCN).

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: GL7150000

CHEMICAL NAME :: Copper cyanide

CAS REGISTRY NUMBER :: 544-92-3

LAST UPDATED :: 199701

WISWESSER LINE NOTATION :: CU CN

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1265 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: TOXID9 Toxicologist. (Soc. of Toxicology, Inc., 475 Wolf Ledge Parkway, Akron, OH 44311) V.1- 1981- Volume(issue)/page/year: 3,170,1983 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-ARAB Republic of Egypt:TWA 0.1 mg(Cu)/m3 (fume) JAN 1993 OEL-AUSTRALIA:TWA 0.2 mg(Cu)/m3 (fume) JAN 1993 OEL-AUSTRALIA:TWA 1 mg(Cu)/m3 (dust) JAN 1993 OEL-BELGIUM:TWA 0.2 mg(Cu)/m3 (fume) JAN 1993 OEL-BELGIUM:TWA 1 mg(Cu)/m3 (dust) JAN 1993 OEL-DENMARK:TWA 0.1 mg(Cu)/m3 (fume) JAN 1993 OEL-DENMARK:TWA 1 mg(Cu)/m3 (dust) JAN 1993 OEL-FINLAND:TWA 0.2 mg(Cu)/m3 (fume) JAN 1993 OEL-FINLAND:TWA 1 mg(Cu)/m3 (dust) JAN 1993 OEL-FRANCE:TWA 0.2 mg(Cu)/m3 (fume) JAN 1993 OEL-FRANCE:TWA 1 mg(Cu)/m3;STEL 2 mg(Cu)/m3 (dust) JAN 1993 OEL-GERMANY:TWA 0.1 mg(Cu)/m3 (fume) JAN 1993 OEL-GERMANY:TWA 1 mg(Cu)/m3 (dust) JAN 1993 OEL-HUNGARY:TWA 0.2 mg(Cu)/m3;STEL 0.4 mg(Cu)/m3 (dust) JAN 1993 OEL-INDIA:TWA 0.2 mg(Cu)/m3 (fume) JAN 1993 OEL-THE NETHERLANDS:TWA 02 mg(Cu)/m3 (fume) JAN 1993 OEL-THE NETHERLANDS:TWA 1 mg(Cu)/m3 (dust) JAN 1993 OEL-THE PHILIPPINES:TWA 1.0 mg(Cu)/m3 (fume) JAN 1993 OEL-POLAND:TWA 0.1 mg(Cu)/m3 (fume) JAN 1993 OEL-RUSSIA:STEL 0.5 ppm (1 mg(Cu)/m3) (dust) JAN 1993 OEL-SWEDEN:TWA 0.2 mg(Cu)/m3 (resp. dust) JAN 1993 OEL-SWEDEN:TWA 0.2 mg(Cu)/m3 (fume) JAN 1993 OEL-SWEDEN:TWA 1 mg(Cu)/m3 (total dust) JAN 1993 OEL-SWITZERLAND:TWA 0.1 mg(Cu)/m3;STEL 0.2 mg(Cu)/m3 (fume) JAN 1993 OEL-SWITZERLAND:TWA 1 mg(Cu)/m3;STEL 1 mg(Cu)/m3 JAN 1993 OEL-THAILAND:TWA 0.1 mg(Cu)/m3 (fume) JAN 1993 OEL-THAILAND:TWA 1 mg(Cu)/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 0.2 mg(Cu)/m3 (fume) JAN 1993 OEL-UNITED KINGDOM:TWA 1 mg(Cu)/m3 JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 20155 No. of Facilities: 1812 (estimated) No. of Industries: 43 No. of Occupations: 21 No. of Employees: 11022 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 20155 No. of Facilities: 1673 (estimated) No. of Industries: 43 No. of Occupations: 29 No. of Employees: 22333 (estimated) No. of Female Employees: 4407 (estimated)

Safety Information

Symbol	GHS06, GHS09
Signal Word	Danger
Hazard Statements	H300 + H310 + H330-H410
Supplemental HS	Contact with acids liberates very toxic gas.
Precautionary Statements	P260-P264-P273-P280-P284-P301 + P310
Hazard Codes	T+:Verytoxic;N:Dangerous for the environment;
Risk Phrases	R26/27/28;R32
Safety Phrases	S7-S28-S29-S45-S60-S61
RIDADR	UN 1587 6.1/PG 2
WGK Germany	2
RTECS	GL7150000
Packaging Group	II
Hazard Class	6.1
HS Code	2837199011

Customs

HS Code	2926909090
Summary	HS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Articles4

Iron(VI) and iron(V) oxidation of copper(I) cyanide.

Environ. Sci. Technol. 39(10) , 3849-54, (2005)

Copper(Il) cyanide (Cu(CN)4(3-)) in the gold mine industry presentsthe biggest concern in cyanide management because it is much more stable than free cyanide. Cu(CN)4(3-) is highlytoxic to aquatic lif...

The first precise molecular structure of a monomeric transition metal cyanide, copper(I) cyanide.

J. Am. Chem. Soc. 124(20) , 5895-901, (2002)

Copper(I) cyanide is an important reagent in organic, organometallic, and supramolecular chemistry because of both the copper center and the versatile cyanide ligand. Solid-phase CuCN and many of its ...

Crystal Structures of a Series of Complexes Produced by Reaction of Copper(I) Cyanide with Diamines.

Inorg. Chem. 38 , 984, (1999)

A new synthetic procedure developed recently in our laboratories has made possible the synthesis of variety of new complexes of CuCN with diamines. Synthesis was effected by adding the ligand to a sol...

Synonyms

EINECS 208-883-6

MFCD00010975

copper(i) cyanide

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