*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : VV3050000
CHEMICAL NAME           : Silane, dichloro-
CAS REGISTRY NUMBER     : 4109-96-0
LAST UPDATED            : 199712
DATA ITEMS CITED        : 6
MOLECULAR FORMULA       : Cl2-H2-Si
MOLECULAR WEIGHT        : 101.01
SYNONYMS/TRADE NAMES :
   * Dichlorosilane
   * Silicon chloride hydride
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 215 ppm
TOXIC EFFECTS :
   Sense Organs and Special Senses (Eye) - lacrimation
   Lungs, Thorax, or Respiration - acute pulmonary edema
   Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
   JTSCDR Journal of Toxicological Sciences.  (Japanese Soc. of Toxicological
   Sciences, 4th Floor, Gakkai Center Bldg., 4-16, Yayoi 2-chome, Bunkyo-ku,
   Tokyo 113, Japan)  V.1-    1976-  Volume(issue)/page/year: 18,394,1993
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 144 ppm/4H
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ARTODN Archives of Toxicology.  (Springer-Verlag, Heidelberger Pl. 3, D-1000
   Berlin 33, Fed. Rep. Ger.)  V.32-    1974-  Volume(issue)/page/year:
   70,218,1996
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 32 ppm/6H/4W-I
TOXIC EFFECTS :
   Sense Organs and Special Senses (Olfaction) - effect, not otherwise
   specified
   Liver - changes in liver weight
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   ARTODN Archives of Toxicology.  (Springer-Verlag, Heidelberger Pl. 3, D-1000
   Berlin 33, Fed. Rep. Ger.)  V.32-    1974-  Volume(issue)/page/year:
   70,218,1996

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X3138
       No. of Facilities: 33 (estimated)
       No. of Industries: 5
       No. of Occupations: 13
       No. of Employees: 5098 (estimated)
       No. of Female Employees: 2306 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***