Copper cyanide
Names
[ CAS No. ]:
544-92-3
[ Name ]:
Copper cyanide
[Synonym ]:
EINECS 208-883-6
MFCD00010975
copper(i) cyanide
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
[ Stability ]:
Stable. Incompatible with acids, bases, magnesium. Reacts violently with oxidizing agents, nitrates. Reaction with acid releases highly toxic gas (HCN).
MSDS
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
Synthetic Route
Precursor & DownStream
Precursor
DownStream
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%
Articles
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...