*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : GZ4063000
CHEMICAL NAME           : Cyclosiloxanes, di-Me
CAS REGISTRY NUMBER     : 69430-24-6
LAST UPDATED            : 199710
DATA ITEMS CITED        : 6
SYNONYMS/TRADE NAMES :
   * Cyclomethicone
   * Cyclopolydimethylsiloxane
   * Dimethylcyclopolysiloxane
   * Dow corning 344
   * Dow corning 344 fluid
   * Dow corning X 2-1401
   * KF 993
   * Polydimethyl siloxy cyclics
   * Q 2-1401
   * SWS 03314
   * SWS-F 222
   * X 2-1401
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >16 mL/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology,
   Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128)  V.1-
   1990-  Volume(issue)/page/year: 12,578,1993
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : >16 mL/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology,
   Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128)  V.1-
   1990-  Volume(issue)/page/year: 12,578,1993

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X2793
       No. of Facilities: 12197 (estimated)
       No. of Industries: 115
       No. of Occupations: 89
       No. of Employees: 226154 (estimated)
       No. of Female Employees: 62466 (estimated)

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   EPA TSCA Section 8(d) unpublished health/safety studies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

 
                            *** END OF RECORD ***