*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : VV3640000
CHEMICAL NAME           : Silane, dihydroxydiphenyl-
CAS REGISTRY NUMBER     : 947-42-2
BEILSTEIN REFERENCE NO. : 2523445
REFERENCE               : 4-16-00-01523 (Beilstein Handbook Reference)
LAST UPDATED            : 199710
DATA ITEMS CITED        : 5
MOLECULAR FORMULA       : C12-H12-O2-Si
MOLECULAR WEIGHT        : 216.33
WISWESSER LINE NOTATION : Q-SI-QR&R
SYNONYMS/TRADE NAMES :
   * Difenyl-dihydroxysilan
   * Dihydroxydiphenylsilane
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 2150 mg/kg
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: -,1237,1986
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 180 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems
   Laboratory, NIOSH Exchange Chemicals.  (Aberdeen Proving Ground, MD 21010)
   Volume(issue)/page/year: NX#04052

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X1111
       No. of Facilities: 26 (estimated)
       No. of Industries: 1
       No. of Occupations: 10
       No. of Employees: 1351 (estimated)
       No. of Female Employees: 52 (estimated)

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

 
                            *** END OF RECORD ***