*** 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 ***