*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : AB1000000
CHEMICAL NAME           : Acenaphthene
CAS REGISTRY NUMBER     : 83-32-9
LAST UPDATED            : 199710
DATA ITEMS CITED        : 12
MOLECULAR FORMULA       : C12-H10
MOLECULAR WEIGHT        : 154.22
COMPOUND DESCRIPTOR     : Mutagen
SYNONYMS/TRADE NAMES :
   * Acenaphthylene, 1,2-dihydro-
   * 1,2-Dihydroacenaphthylene
   * peri-Ethylenenaphthalene
   * 1,8-Ethylenenaphthalene
   * Naphthyleneethylene
 
                       *** 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
REFERENCE :
   GTPZAB Gigiena Truda i Professional'nye Zabolevaniya.  Labor Hygiene and
   Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
   V.1-36, 1957-1992. For publisher information, see MTPEEI
   Volume(issue)/page/year: 14(6),46,1970
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
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)
REFERENCE :
   GTPZAB Gigiena Truda i Professional'nye Zabolevaniya.  Labor Hygiene and
   Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
   V.1-36, 1957-1992. For publisher information, see MTPEEI
   Volume(issue)/page/year: 14(6),46,1970
 
                            ** 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)

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Inconclusive: D melanogaster-nondisjunction
   
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA Section 8(d) unpublished health/safety studies
   
   On EPA IRIS database
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998
   
   NIOSH Analytical Method, 1994: Polynuclear aromatic hydrocarbons by HPLC,
   5506; by GC, 5515

 
                            *** END OF RECORD ***