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544-92-3

544-92-3 structure
544-92-3 structure

Name Copper(I) cyanide
Synonyms EINECS 208-883-6
MFCD00010975
copper(i) cyanide
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).

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)
Symbol GHS06 GHS09
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

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Literature: WO2004/14357 A2, ; Page/Page column 35-36 ;

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544-92-3

Literature: Chim. et Ind. Sonderband 18. Congr. Chim. ind. Nancy, , p. 420 Chem. Zentralbl., , vol. 110, # II p. 2902

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Literature: Varet, R. Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, 1895 , vol. 121, p. 598 - 599 Full Text Show Details Gmelin Handbook: Cu: MVol.B1, 183, page 404 - 406

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544-92-3

Literature: Journal of the Chemical Society, vol. 125, p. 1667

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544-92-3

Literature: Ann. Chim. Phys., , vol. 8, p. 240 - 288 Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, , vol. 110, p. 147 - 149

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Literature: Varet, R. Ann. Chim. Phys., 1896 , vol. 8, p. 240 - 288
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%