*** 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
COMPOUND DESCRIPTOR : Human
Primary Irritant
SYNONYMS/TRADE NAMES :
* Carbon nitride
* Cyanogen
* Cyanogene
* Dicyan
* Dicyanogen
* Ethanedinitrile
* Nitriloacetonitrile
* Oxalic acid dinitrile
* Oxalic nitrile
* Oxalonitrile
* Oxalyl cyanide
* RCRA waste number P031
*** HEALTH HAZARD DATA ***
** SKIN/EYE IRRITATION DATA **
TYPE OF TEST : Standard Draize test
ROUTE OF EXPOSURE : Administration into the eye
SPECIES OBSERVED : Human
DOSE/DURATION : 16 ppm/6M
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
TOXIC EFFECTS :
Nutritional and Gross Metabolic - weight loss or decreased weight gain
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
*** STATUS IN U.S. ***
EPA TSCA Section 8(b) CHEMICAL INVENTORY
On EPA IRIS database
*** END OF RECORD ***