83-32-9

MOLECULAR FORMULA :

C12-H10

MOLECULAR WEIGHT :

154.22

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

600 mg/kg

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 :

12 mg/m3/4H/22W-I

TOXIC EFFECTS :

Lungs, Thorax, or Respiration - fibrosis, focal (pneumoconiosis)

MUTATION DATA

TYPE OF TEST :

Mutation in microorganisms

TEST SYSTEM :

Microorganism - not otherwise specified

DOSE/DURATION :

3 mg

REFERENCE :

MIKBA5 Mikrobiologiya. Microbiology. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1932- Volume(issue)/page/year: 54,360,1985 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 10 mg/m3 JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M4337 No. of Facilities: 485 (estimated) No. of Industries: 12 No. of Occupations: 14 No. of Employees: 1920 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M4337 No. of Facilities: 164 (estimated) No. of Industries: 3 No. of Occupations: 3 No. of Employees: 1064 (estimated)