*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : CW4900000
CHEMICAL NAME           : Benz(a)anthracene, 5,6-epoxy-5,6-dihydro-
CAS REGISTRY NUMBER     : 962-32-3
LAST UPDATED            : 199710
DATA ITEMS CITED        : 16
MOLECULAR FORMULA       : C18-H12-O
MOLECULAR WEIGHT        : 244.30
WISWESSER LINE NOTATION : T B3 G6 E666 COT&&T&J
COMPOUND DESCRIPTOR     : Tumorigen
                          Mutagen
SYNONYMS/TRADE NAMES :
   * Benz(a)anthracene, 5,6-oxide
   * Benz(a)anthra-5,6-oxide
   * Benz(3,4)anthra(1,2-b)oxirene, 1a,11b-dihydro-
   * Benzo(a)anthracene 5,6-oxide
   * 1a,11b-Dihydrobenz(3,4)anthra(1,2-b)oxirene
   * 3,4-Dihydro-3,4-epoxy-1,2-benzanthracene
   * 5,6-Epoxy-5,6-dihydrobenz(a)anthracene
 
                       *** HEALTH HAZARD DATA ***
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 400 mg/kg/10W-I
TOXIC EFFECTS :
   Tumorigenic - Carcinogenic by RTECS criteria
   Tumorigenic - tumors at site of application
REFERENCE :
   IJCNAW International Journal of Cancer.  (International Union Against
   Cancer, 3 rue du Conseil- General, 1205 Geneva, Switzerland)  V.1-    1966-
   Volume(issue)/page/year: 2,500,1967
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 3 ug/plate
REFERENCE :
   IJCNAW International Journal of Cancer.  (International Union Against
   Cancer, 3 rue du Conseil- General, 1205 Geneva, Switzerland)  V.1-    1966-
   Volume(issue)/page/year: 16,787,1975
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 450 nmol/L
REFERENCE :
   BBRCA9 Biochemical and Biophysical Research Communications.  (Academic
   Press, Inc., 1 E. First St., Duluth, MN 55802)  V.1-    1959-
   Volume(issue)/page/year: 66,693,1975
 
TYPE OF TEST            : DNA inhibition
TEST SYSTEM             : Microorganism - not otherwise specified
DOSE/DURATION           : 200 ug/L
REFERENCE :
   PNASA6 Proceedings of the National Academy of Sciences of the United States
   of America.  (National Academy of Sciences, Printing & Pub. Office, 2101
   Constitution Ave., Washington, DC 20418) V.1-    1915-
   Volume(issue)/page/year: 74,1378,1977
 
TYPE OF TEST            : Specific locus test
ROUTE OF EXPOSURE       : Parenteral
TEST SYSTEM             : Insect - Drosophila melanogaster
DOSE/DURATION           : 1 mmol/L
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   33,2354,1973
 
TYPE OF TEST            : Sex chromosome loss and nondisjunction
ROUTE OF EXPOSURE       : Parenteral
TEST SYSTEM             : Insect - Drosophila melanogaster
DOSE/DURATION           : 5 mmol/L
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   33,2354,1973
 
TYPE OF TEST            : Morphological transformation
TEST SYSTEM             : Rodent - mouse Fibroblast
DOSE/DURATION           : 500 ug/L
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   32,716,1972
 
TYPE OF TEST            : DNA damage
TEST SYSTEM             : Rodent - hamster Kidney
DOSE/DURATION           : 5 mg/L
REFERENCE :
   BCPCA6 Biochemical Pharmacology.  (Pergamon Press Inc., Maxwell House,
   Fairview Park, Elmsford, NY 10523)  V.1-    1958-  Volume(issue)/page/year:
   20,1297,1971

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Positive: SHE-clonal assay; Cell transform.-mouse
   prostate
   
   EPA GENETOX PROGRAM 1988, Positive: Histidine reversion-Ames test
   
   EPA GENETOX PROGRAM 1988, Positive: D melanogaster Sex-linked lethal
   
   EPA GENETOX PROGRAM 1988, Positive: V79 cell culture-gene mutation
   
   EPA GENETOX PROGRAM 1988, Positive/dose response: In vitro UDS-human
   fibroblast
   
   EPA GENETOX PROGRAM 1988, Positive/limited: Carcinogenicity-mouse/rat
   
   EPA TSCA Section 8(d) unpublished health/safety studies
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***