*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : TQ2690000
CHEMICAL NAME           : Polydimethyl siloxane
CAS REGISTRY NUMBER     : 9016-00-6
LAST UPDATED            : 199710
DATA ITEMS CITED        : 15
MOLECULAR FORMULA       : (C2-H6-O-Si)x
COMPOUND DESCRIPTOR     : Tumorigen
                          Reproductive Effector
SYNONYMS/TRADE NAMES :
   * Dimethicone 350
   * Dow corning 346
   * Good-rite
   * Hycar
   * Poly(oxy(dimethylsilylene))
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD - Lethal dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >2 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ANKHEW Antibiotiki i Khimioterapiya.  Antibiotics and Chemotherapy. (V/O Me
   zhdunarodnaya Kniga, 113095 Moskow, USSR)  V.33-    1988-
   Volume(issue)/page/year: 33,666,1988
 
TYPE OF TEST            : LD - Lethal dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >2 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ANKHEW Antibiotiki i Khimioterapiya.  Antibiotics and Chemotherapy. (V/O Me
   zhdunarodnaya Kniga, 113095 Moskow, USSR)  V.33-    1988-
   Volume(issue)/page/year: 33,666,1988
 
TYPE OF TEST            : LD - Lethal dose
ROUTE OF EXPOSURE       : Intrapleural
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >2 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ANKHEW Antibiotiki i Khimioterapiya.  Antibiotics and Chemotherapy. (V/O Me
   zhdunarodnaya Kniga, 113095 Moskow, USSR)  V.33-    1988-
   Volume(issue)/page/year: 33,666,1988
 
TYPE OF TEST            : LD - Lethal dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >5500 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ANKHEW Antibiotiki i Khimioterapiya.  Antibiotics and Chemotherapy. (V/O Me
   zhdunarodnaya Kniga, 113095 Moskow, USSR)  V.33-    1988-
   Volume(issue)/page/year: 33,666,1988
 
TYPE OF TEST            : LD - Lethal dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >5500 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ANKHEW Antibiotiki i Khimioterapiya.  Antibiotics and Chemotherapy. (V/O Me
   zhdunarodnaya Kniga, 113095 Moskow, USSR)  V.33-    1988-
   Volume(issue)/page/year: 33,666,1988
 
TYPE OF TEST            : LD - Lethal dose
ROUTE OF EXPOSURE       : Intrapleural
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >5500 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ANKHEW Antibiotiki i Khimioterapiya.  Antibiotics and Chemotherapy. (V/O Me
   zhdunarodnaya Kniga, 113095 Moskow, USSR)  V.33-    1988-
   Volume(issue)/page/year: 33,666,1988
 
TYPE OF TEST            : LD - Lethal dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : >410 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ANKHEW Antibiotiki i Khimioterapiya.  Antibiotics and Chemotherapy. (V/O Me
   zhdunarodnaya Kniga, 113095 Moskow, USSR)  V.33-    1988-
   Volume(issue)/page/year: 33,666,1988
 
TYPE OF TEST            : LD - Lethal dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : >410 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ANKHEW Antibiotiki i Khimioterapiya.  Antibiotics and Chemotherapy. (V/O Me
   zhdunarodnaya Kniga, 113095 Moskow, USSR)  V.33-    1988-
   Volume(issue)/page/year: 33,666,1988
 
TYPE OF TEST            : LD - Lethal dose
ROUTE OF EXPOSURE       : Intrapleural
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : >410 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ANKHEW Antibiotiki i Khimioterapiya.  Antibiotics and Chemotherapy. (V/O Me
   zhdunarodnaya Kniga, 113095 Moskow, USSR)  V.33-    1988-
   Volume(issue)/page/year: 33,666,1988
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Implant
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1500 mg/kg
TOXIC EFFECTS :
   Tumorigenic - neoplastic by RTECS criteria
   Lungs, Thorax, or Respiration - tumors
   Endocrine - tumors
REFERENCE :
   AMPLAO AMA Archives of Pathology.  (Chicago, IL)  V.50(4)-69, 1950-60.  For
   publisher information, see APLMAS.  Volume(issue)/page/year: 67,589,1959
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 5 gm/kg
SEX/DURATION            : female 6-15 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Fertility - post-implantation mortality (e.g. dead and/or
   resorbed implants per total number of implants)
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: 31,50A,1985

         *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - T1363
       No. of Facilities: 52 (estimated)
       No. of Industries: 3
       No. of Occupations: 4
       No. of Employees: 310 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X7465
       No. of Facilities: 14142 (estimated)
       No. of Industries: 141
       No. of Occupations: 113
       No. of Employees: 284654 (estimated)
       No. of Female Employees: 107989 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(d) unpublished health/safety studies
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***