*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : DV5357000
CHEMICAL NAME : 1,1'-Biphenyl, 2,2',3,3',4,4'-hexachloro-
CAS REGISTRY NUMBER : 38380-07-3
BEILSTEIN REFERENCE NO. : 2508232
LAST UPDATED : 199801
DATA ITEMS CITED : 5
MOLECULAR FORMULA : C12-H4-Cl6
MOLECULAR WEIGHT : 360.86
WISWESSER LINE NOTATION : GR BG CG DR BG CG DG
COMPOUND DESCRIPTOR : Reproductive Effector
SYNONYMS/TRADE NAMES :
* 2,2',3,3',4,4'-Hexachlorobiphenyl
* 2,3,4,2',3',4'-Hexachlorobiphenyl
* PCB 128
*** 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 : 383 mg/kg/13W-C
TOXIC EFFECTS :
Liver - other changes
Endocrine - other changes
Biochemical - Enzyme inhibition, induction, or change in blood or tissue
levels - hepatic microsomal mixed oxidase (dealkylation, hydroxylation,
etc.)
REFERENCE :
JTEHD6 Journal of Toxicology and Environmental Health. (Hemisphere Pub.,
1025 Vermont Ave., NW, Washington, DC 20005) V.1- 1975/76-
Volume(issue)/page/year: 51,265,1997
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
** REPRODUCTIVE DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE : 320 mg/kg
SEX/DURATION : female 6-15 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - craniofacial
(including nose and tongue)
Reproductive - Specific Developmental Abnormalities - urogenital system
REFERENCE :
TJADAB Teratology, The International Journal of Abnormal Development. (Alan
R. Liss, Inc., 41 E. 11th St., New York, NY 10003) V.1- 1968-
Volume(issue)/page/year: 21,54A,1980
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE : 1280 mg/kg
SEX/DURATION : female 6-15 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
e.g., stunted fetus)
Reproductive - Effects on Embryo or Fetus - fetal death
REFERENCE :
TJADAB Teratology, The International Journal of Abnormal Development. (Alan
R. Liss, Inc., 41 E. 11th St., New York, NY 10003) V.1- 1968-
Volume(issue)/page/year: 21,54A,1980
*** STATUS IN U.S. ***
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998
*** END OF RECORD ***