*** 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 ***