cyanogen

Names

[ CAS No. ]:
460-19-5

[ Name ]:
cyanogen

[Synonym ]:
Nitriloacetonitrile
Dicyan
Dicyanogen
EINECS 207-306-5
Carbon nitride
CYANOGEN
Ethanedinitrile
Prussite
paracyanogen
diisocyanogen
Oxalic acid dinitrile
cyanogen (pseudo)cyanide
Oxalyl cyanide

Chemical & Physical Properties

[ Density]:
1.076g/cm3

[ Melting Point ]:
-34.4ºC

[ Molecular Formula ]:
C2N2

[ Molecular Weight ]:
52.03480

[ Exact Mass ]:
52.00610

[ PSA ]:
47.58000

[ LogP ]:
0.03356

[ Vapour Pressure ]:
4310mmHg at 25°C

[ Index of Refraction ]:
1.378

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
GT1925000
CHEMICAL NAME :
Cyanogen (C2N2)
CAS REGISTRY NUMBER :
460-19-5
LAST UPDATED :
199712
DATA ITEMS CITED :
29
MOLECULAR FORMULA :
C2-N2
MOLECULAR WEIGHT :
52.04
WISWESSER LINE NOTATION :
NCCN

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Human
REFERENCE :
AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 21,121,1960 ** ACUTE TOXICITY DATA **
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Human
DOSE/DURATION :
16 ppm
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - conjunctive irritation Sense Organs and Special Senses (Olfaction) - olfactory nerve change
REFERENCE :
AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 21,121,1960
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
350 ppm/1H
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - respiratory obstruction Sense Organs and Special Senses (Eye) - lacrimation Behavioral - somnolence (general depressed activity)
REFERENCE :
AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 21,121,1960
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
15 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 3,77,1897
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
13 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
REFERENCE :
AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 3,77,1897
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Bird - pigeon
DOSE/DURATION :
9 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
REFERENCE :
AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 3,77,1897
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Amphibian - frog
DOSE/DURATION :
43 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 3,77,1897 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
25 ppm/6H/26W-I
REFERENCE :
JEPOEC Journal of Environmental Pathology, Toxicology and Oncology. (Chem-Orbital, POB 134, Park Forest, IL 60466) V.5(4)- 1984- Volume(issue)/page/year: 5(4/5),151,1984 *** REVIEWS *** ACGIH TLV-TWA 21 mg/m3 (10 ppm) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD:air TWA 10 ppm DTLWS* "Documentation of the Threshold Limit Values for Substances in Workroom Air," Supplements. For publisher information, see 85INA8. Volume(issue)/page/year: 3,14,1973 OSHA PEL (Construc):8H TWA 10 ppm CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Shipyard):8H TWA 10 ppm CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-ARAB Republic of Egypt:TWA 10 ppm (20 mg/m3) JAN 1993 OEL-AUSTRALIA:TWA 10 ppm (20 mg/m3) JAN 1993 OEL-AUSTRIA:TWA 10 ppm (22 mg/m3);Skin JAN 1993 OEL-BELGIUM:TWA 10 ppm (21 mg/m3) JAN 1993 OEL-DENMARK:TWA 10 ppm (20 mg/m3) JAN 1993 OEL-FINLAND:STEL 10 ppm (22 mg/m3);Skin JAN 1993 OEL-FRANCE:TWA 2 ppm (4 mg/m3);STEL 10 ppm (20 mg/m3) JAN 1993 OEL-GERMANY:TWA 10 ppm (22 mg/m3);Skin JAN 1993 OEL-INDIA:TWA 10 ppm (20 mg/m3) JAN 1993 OEL-THE NETHERLANDS:TWA 10 ppm (20 mg/m3) JAN 1993 OEL-SWITZERLAND:TWA 10 ppm (22 mg/m3);STEL 50 ppm;Skin JAN 1993 OEL-UNITED KINGDOM:TWA 10 ppm (20 mg/m3) JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO CYANOGEN-air:10H TWA 10 ppm REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992

Safety Information

[ Hazard Codes ]:
F;T;N

[ Risk Phrases ]:
11-23-50/53

[ Safety Phrases ]:
23-45-60-61

[ RIDADR ]:
1026

[ RTECS ]:
DH6833000

[ Hazard Class ]:
2.3

[ HS Code ]:
2853009021

Precursor & DownStream

Customs

[ HS Code ]: 2853009021


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