*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : VV3150000
CHEMICAL NAME           : Silane, dichlorodimethyl-
CAS REGISTRY NUMBER     : 75-78-5
BEILSTEIN REFERENCE NO. : 0605287
REFERENCE               : 4-04-00-04111 (Beilstein Handbook Reference)
LAST UPDATED            : 199710
DATA ITEMS CITED        : 10
MOLECULAR FORMULA       : C2-H6-Cl2-Si
MOLECULAR WEIGHT        : 129.07
WISWESSER LINE NOTATION : G-SI-G1&1
COMPOUND DESCRIPTOR     : Primary Irritant
SYNONYMS/TRADE NAMES :
   * Dichlorodimethylsilane
   * Dichlorodimethylsilicon
   * Dimethyl-dichlorsilan
   * Dimethylsilane dichloride
   * Inerton AW-DMCS
   * LS 130
   * Repel-Silan
 
                       *** HEALTH HAZARD DATA ***
 
                      ** SKIN/EYE IRRITATION DATA **
 
TYPE OF TEST            : Standard Draize test
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 20 mg/24H
REACTION SEVERITY       : Moderate
REFERENCE :
   85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J.,
   Prague, Czechoslovakia, Avicenum, 1986  Volume(issue)/page/year: -,1219,1986
 
TYPE OF TEST            : Standard Draize test
ROUTE OF EXPOSURE       : Administration into the eye
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 5 mg/24H
REACTION SEVERITY       : Severe
REFERENCE :
   85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J.,
   Prague, Czechoslovakia, Avicenum, 1986  Volume(issue)/page/year: -,1219,1986
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 5660 uL/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Lungs, Thorax, or Respiration - dyspnea
   Liver - other changes
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: 12,573,1993
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 930 ppm/4H
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J.,
   Prague, Czechoslovakia, Avicenum, 1986  Volume(issue)/page/year: -,1219,1986
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 10 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JIHTAB Journal of Industrial Hygiene and Toxicology.  (Cambridge, MA)
   V.18-31, 1936-49.  For publisher information, see AEHLAU.
   Volume(issue)/page/year: 30,332,1948
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 300 mg/m3/2H
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   TPKVAL Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv.
   Toxicology of New Industrial Chemical Substances.  For English translation,
   see TNICS*.  (Izdatel'stvo Meditsina, Moscow, USSR)  No.1-    1961-
   Volume(issue)/page/year: 3,23,1961

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - 83986
       No. of Facilities: 54 (estimated)
       No. of Industries: 2
       No. of Occupations: 2
       No. of Employees: 170 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 83986
       No. of Facilities: 26 (estimated)
       No. of Industries: 2
       No. of Occupations: 4
       No. of Employees: 738 (estimated)
       No. of Female Employees: 69 (estimated)

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

 
                            *** END OF RECORD ***