*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : GZ4720000
CHEMICAL NAME           : Cyclotrisilazane, 2,2,4,4,6,6-hexamethyl-
CAS REGISTRY NUMBER     : 1009-93-4
BEILSTEIN REFERENCE NO. : 0774739
REFERENCE               : 4-04-00-04114 (Beilstein Handbook Reference)
LAST UPDATED            : 199701
DATA ITEMS CITED        : 3
MOLECULAR FORMULA       : C6-H21-N3-Si3
MOLECULAR WEIGHT        : 219.57
SYNONYMS/TRADE NAMES :
   * Dimethylsilazane trimer
   * Hexamethylcyclotrisilazane
   * 2,2,4,4,6,6-Hexamethylcyclotrisilazane
   * NSC 139842
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - species unspecified
DOSE/DURATION           : 1330 mg/kg
TOXIC EFFECTS :
   Behavioral - muscle weakness
   Cardiac - pulse rate
   Lungs, Thorax, or Respiration - respiratory depression
REFERENCE :
   GTPZAB Gigiena Truda i Professional'nye Zabolevaniya.  Labor Hygiene and
   Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
   V.1-36, 1957-1992. For publisher information, see MTPEEI
   Volume(issue)/page/year: 27(11),50,1983
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - species unspecified
DOSE/DURATION           : 5950 mg/kg/17W-I
TOXIC EFFECTS :
   Related to Chronic Data - death
REFERENCE :
   GTPZAB Gigiena Truda i Professional'nye Zabolevaniya.  Labor Hygiene and
   Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
   V.1-36, 1957-1992. For publisher information, see MTPEEI
   Volume(issue)/page/year: 27(11),50,1983

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY

 
                            *** END OF RECORD ***