*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : DV5350000 CHEMICAL NAME : 1,1'-Biphenyl, 2,2',4,4',5,5'-hexachloro- CAS REGISTRY NUMBER : 35065-27-1 LAST UPDATED : 199712 DATA ITEMS CITED : 19 MOLECULAR FORMULA : C12-H4-Cl6 MOLECULAR WEIGHT : 360.86 COMPOUND DESCRIPTOR : Tumorigen Mutagen Reproductive Effector SYNONYMS/TRADE NAMES : * 2,2',4,4'5,5'-Hexachlorobiphenyl * 2,2',4,4',5,5'-Hexachloro-1,1'-biphenyl * 2,4,5,2',4',5'-Hexachlorobiphenyl * K 153 * PCB 153 *** HEALTH HAZARD DATA *** ** OTHER MULTIPLE DOSE TOXICITY DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 370 mg/kg/30D-I TOXIC EFFECTS : Liver - changes in liver weight Endocrine - changes in thymus weight Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) REFERENCE : TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 57,99,1981 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 322 mg/kg/13W-C TOXIC EFFECTS : Gastrointestinal - other changes Liver - changes in liver weight Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - hepatic microsomal mixed oxidase (dealkylation, hydroxylation, etc.) REFERENCE : JJATDK JAT, Journal of Applied Toxicology. (John Wiley & Sons Ltd., Baffins Lane, Chichester, W. Sussex PO19 1UD, UK) V.1- 1981- Volume(issue)/page/year: 16,121,1996 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 150 mg/kg/3D-I TOXIC EFFECTS : Liver - changes in liver weight Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - other esterases Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - other Enzymes REFERENCE : TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 33,94,1975 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Administration onto the skin SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 960 mg/kg/4W-I TOXIC EFFECTS : Liver - changes in liver weight Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - transaminases Biochemical - Metabolism (Intermediary) - porphyrin including bile pigments REFERENCE : TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 23,563,1972 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Bird - chicken DOSE/DURATION : 1470 mg/kg/21D-C TOXIC EFFECTS : Liver - changes in liver weight Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - cytochrome oxidases (including oxidative phosphorylation) Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - transaminases REFERENCE : TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 36,81,1976 ** TUMORIGENIC DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 3650 mg/kg/104W-C TOXIC EFFECTS : Tumorigenic - equivocal tumorigenic agent by RTECS criteria Liver - tumors REFERENCE : TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 48,A181,1979 ** REPRODUCTIVE DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE : 50 mg/kg SEX/DURATION : female 8-18 day(s) after conception TOXIC EFFECTS : Reproductive - Effects on Newborn - biochemical and metabolic REFERENCE : TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 51,233,1979 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE : 448 mg/kg SEX/DURATION : female 10-16 day(s) after conception TOXIC EFFECTS : Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain) REFERENCE : TOLED5 Toxicology Letters. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1977- Volume(issue)/page/year: 68,311,1993 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE : 112 mg/kg SEX/DURATION : female 10-16 day(s) after conception TOXIC EFFECTS : Reproductive - Effects on Newborn - biochemical and metabolic REFERENCE : TOLED5 Toxicology Letters. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1977- Volume(issue)/page/year: 68,311,1993 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE : 448 mg/kg SEX/DURATION : female 10-16 day(s) after conception TOXIC EFFECTS : Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain) Reproductive - Effects on Newborn - behavioral Reproductive - Effects on Newborn - physical REFERENCE : FAATDF Fundamental and Applied Toxicology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1981- Volume(issue)/page/year: 26,117,1995 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE : 120 mg/kg SEX/DURATION : female 1-6 day(s) after conception TOXIC EFFECTS : Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea) REFERENCE : APTOA6 Acta Pharmacologica et Toxicologica. (Copenhagen, Denmark) V.1-59, 1945-86. For publisher information, see PHTOEH Volume(issue)/page/year: 42,323,1978 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE : 78 mg/kg SEX/DURATION : female 5-21 day(s) after conception lactating female 22 day(s) post-birth TOXIC EFFECTS : Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain) REFERENCE : APTOA6 Acta Pharmacologica et Toxicologica. (Copenhagen, Denmark) V.1-59, 1945-86. For publisher information, see PHTOEH Volume(issue)/page/year: 42,275,1978 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE : 200 mg/kg SEX/DURATION : female 13-21 day(s) after conception lactating female 24 day(s) post-birth TOXIC EFFECTS : Reproductive - Specific Developmental Abnormalities - urogenital system REFERENCE : PHTOEH Pharmacology and Toxicology (Copenhagen). (Munksgaard International Pub., POB 2148, DK-1016 Copenhagen K, Denmark) V.60- 1987- Volume(issue)/page/year: 61,220,1987 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE : 271 mg/kg SEX/DURATION : female 10 day(s) after conception TOXIC EFFECTS : Reproductive - Maternal Effects - other effects REFERENCE : CMSHAF Chemosphere. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.1- 1972- Volume(issue)/page/year: 34,1605,1997 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - guinea pig DOSE : 1080 mg/kg SEX/DURATION : female 45-62 day(s) after conception TOXIC EFFECTS : Reproductive - Maternal Effects - other effects REFERENCE : ENVRAL Environmental Research. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1967- Volume(issue)/page/year: 38,293,1985 ** MUTATION DATA ** TYPE OF TEST : DNA adduct ROUTE OF EXPOSURE : Oral TEST SYSTEM : Rodent - mouse DOSE/DURATION : 36400 ug/kg/5D REFERENCE : CBINA8 Chemico-Biological Interactions. (Elsevier Scientific Pub. Ireland Ltd., POB 85, Limerick, Ireland) V.1- 1969- Volume(issue)/page/year: 27,99,1979 TYPE OF TEST : Mutation test systems - not otherwise specified ROUTE OF EXPOSURE : Oral TEST SYSTEM : Rodent - mouse DOSE/DURATION : 36400 ug/kg/5D REFERENCE : CBINA8 Chemico-Biological Interactions. (Elsevier Scientific Pub. Ireland Ltd., POB 85, Limerick, Ireland) V.1- 1969- Volume(issue)/page/year: 27,99,1979 *** STATUS IN U.S. *** EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998 NTP Carcinogenesis studies; selected, October 1997 *** END OF RECORD ***