114-83-0

DATA ITEMS CITED :

10

MOLECULAR FORMULA :

C8-H10-N2-O

MOLECULAR WEIGHT :

150.20

WISWESSER LINE NOTATION :

1VMMR

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

270 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

150 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

105 mg/kg/7D-I

TOXIC EFFECTS :

Blood - other changes Blood - changes in erythrocyte (RBC) count

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Mammal - dog

DOSE/DURATION :

112 mg/kg/4W-I

TOXIC EFFECTS :

Blood - methemoglobinemia-carboxyhemoglobin Blood - changes in erythrocyte (RBC) count Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - dehydrogenases

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Mammal - dog

DOSE/DURATION :

28 mg/kg/7D-I

TOXIC EFFECTS :

Blood - pigmented or nucleated red blood cells Blood - methemoglobinemia-carboxyhemoglobin Blood - changes in erythrocyte (RBC) count

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

31 gm/kg/79W-I

TOXIC EFFECTS :

Tumorigenic - neoplastic by RTECS criteria Vascular - tumors Lungs, Thorax, or Respiration - tumors

MUTATION DATA

TYPE OF TEST :

Mutation in microorganisms

TEST SYSTEM :

Bacteria - Salmonella typhimurium

DOSE/DURATION :

333 ug/plate

REFERENCE :

EMMUEG Environmental and Molecular Mutagenesis. (Alan R. Liss, Inc., 41 E. 11th St., New York, NY 10003) V.10- 1987- Volume(issue)/page/year: 11(Suppl 12),1,1988 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83705 No. of Facilities: 174 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 1744 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 83705 No. of Facilities: 613 (estimated) No. of Industries: 20 No. of Occupations: 19 No. of Employees: 15429 (estimated) No. of Female Employees: 4988 (estimated)