*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : DV8205000 CHEMICAL NAME : 1,1'-Biphenyl, 3,3',4,4',5-pentachloro- CAS REGISTRY NUMBER : 57465-28-8 BEILSTEIN REFERENCE NO. : 4190261 LAST UPDATED : 199806 DATA ITEMS CITED : 4 MOLECULAR FORMULA : C12-H5-Cl5 MOLECULAR WEIGHT : 326.42 COMPOUND DESCRIPTOR : Tumorigen Reproductive Effector SYNONYMS/TRADE NAMES : * PCB 126 * 3,3',4,4',5-Pentachlorobiphenyl * 3,4,3',4',5'-Pentachlorobiphenyl * 3,3',4,4',5-Pentachloro-1,1'-biphenyl *** HEALTH HAZARD DATA *** ** REPRODUCTIVE DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE : 522 ug/kg SEX/DURATION : female 10 day(s) after conception TOXIC EFFECTS : Reproductive - Specific Developmental Abnormalities - craniofacial (including nose and tongue) Reproductive - Specific Developmental Abnormalities - urogenital system REFERENCE : TOXID9 Toxicologist. (Soc. of Toxicology, Inc., 475 Wolf Ledge Parkway, Akron, OH 44311) V.1- 1981- Volume(issue)/page/year: 12,104,1992 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE : 131 ug/kg SEX/DURATION : female 10 day(s) after conception TOXIC EFFECTS : Reproductive - Specific Developmental Abnormalities - urogenital system REFERENCE : TXCYAC Toxicology. (Elsevier Scientific Pub. Ireland, Ltd., POB 85, Limerick, Ireland) V.1- 1973- Volume(issue)/page/year: 77,123,1993 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE : 783 ug/kg SEX/DURATION : female 10 day(s) after conception TOXIC EFFECTS : Reproductive - Maternal Effects - other effects Reproductive - Specific Developmental Abnormalities - craniofacial (including nose and tongue) REFERENCE : CMSHAF Chemosphere. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.1- 1972- Volume(issue)/page/year: 34,1605,1997 *** STATUS IN U.S. *** NTP Carcinogenesis studies; selected, October 1997 *** END OF RECORD ***