Diazomethane

DATA ITEMS CITED :

34

MOLECULAR FORMULA :

C-H2-N2

MOLECULAR WEIGHT :

42.05

WISWESSER LINE NOTATION :

NNU1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Mammal - cat

DOSE/DURATION :

175 ppm/10M

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

272 mg/m3/26W-I

TOXIC EFFECTS :

Tumorigenic - equivocal tumorigenic agent by RTECS criteria Lungs, Thorax, or Respiration - tumors

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

272 mg/m3/26W-I

TOXIC EFFECTS :

Tumorigenic - equivocal tumorigenic agent by RTECS criteria Lungs, Thorax, or Respiration - tumors

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Subcutaneous

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

48 gm/kg/52W-I

TOXIC EFFECTS :

Tumorigenic - equivocal tumorigenic agent by RTECS criteria Lungs, Thorax, or Respiration - tumors

MUTATION DATA

TYPE OF TEST :

Mutation in microorganisms

TEST SYSTEM :

Mold - Neurospora crassa

REFERENCE :

HEREAY Hereditas (Lund, Sweden). (Gjoerloffsgatan 121, S-261 34 Landskrona, Sweden) V.1- 1947- Volume(issue)/page/year: 35,521,1949 *** REVIEWS *** ACGIH TLV-Suspected human carcinogen 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 ACGIH TLV-TWA 0.34 mg/m3 (0.2 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 IARC Cancer Review:Animal Limited Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 7,223,1974 IARC Cancer Review:Human No Adequate Data IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 7,223,1974 IARC Cancer Review:Group 3 IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,56,1987 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 0.2 ppm (0.4 mg/m3) DTLWS* "Documentation of the Threshold Limit Values for Substances in Workroom Air," Supplements. For publisher information, see 85INA8. Volume(issue)/page/year: 3,15,1973 OSHA PEL (Gen Indu):8H TWA 0.2 ppm (0.4 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Construc):8H TWA 0.2 ppm (0.4 mg/m3) 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 0.2 ppm (0.4 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 OSHA PEL (Fed Cont):8H TWA 0.2 ppm (0.4 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 41,50-204.50,1994 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 0.2 ppm (0.4 mg/m3);Carcinogen JAN 1993 OEL-DENMARK:TWA 0.1 mg/m3;STEL 0.2 mg/m3 JAN 1993 OEL-FINLAND:TWA 0.2 ppm (0.4 mg/m3) JAN 1993 OEL-FRANCE:TWA 0.2 ppm (0.4 mg/m3) JAN 1993 OEL-GERMANY:TWA 0.2 ppm (0.3 mg/m3);STEL 0.6 ppm (1.0 mg/m3);Carcinogen JAN 1993 OEL-HUNGARY;Carcinogen JAN 1993 OEL-INDIA:STEL 0.4 mg/m3;Skin JAN 1993 OEL-THE NETHERLANDS:TWA 0.2 ppm (0.4 mg/m3) JAN 1993 OEL-RUSSIA:TWA 0.2 ppm (0.4 mg/m3) JAN 1993 OEL-SWITZERLAND:TWA 0.2 ppm (0.35 mg/m3);Carcinogen JAN 1993 OEL-UNITED KINGDOM:TWA 0.2 ppm (0.4 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 DIAZOMETHANE-air:10H TWA 0.2 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 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 23370 No. of Facilities: 18 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 234 (estimated)