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
Precursor
DownStream
Customs
[ HS Code ]: 2853009021