*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : YO7800000
CHEMICAL NAME           : Tungsten, tris(acetonitrile)tricarbonyl-
CAS REGISTRY NUMBER     : 16800-47-8
LAST UPDATED            : 199712
DATA ITEMS CITED        : 15
MOLECULAR FORMULA       : C9-H9-N3-O3-W
MOLECULAR WEIGHT        : 391.06
WISWESSER LINE NOTATION : NC1 3 &.WO..C-O*3
COMPOUND DESCRIPTOR     : Organometallic
SYNONYMS/TRADE NAMES :
   * Triacetonitrile tungsten tricarbonyl
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 56200 ug/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#02385

                              *** REVIEWS ***
 
   ACGIH TLV-TWA 5 mg(W)/m3; STEL 10 mg(W)/m3
   DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices
   (BEIs) booklet issues by American Conference of Governmental Industrial
   Hygienists (ACGIH), Cincinnati, OH, 1996  Volume(issue)/page/year:
   TLV/BEI,1997

                    *** U.S. STANDARDS AND REGULATIONS ***
 
   MSHA STANDARD-air:TWA 5 mg(W)/m3
   DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices
   (BEIs) booklet issues by American Conference of Governmental Industrial
   Hygienists (ACGIH), Cincinnati, OH, 1996  Volume(issue)/page/year:
   3,272,1971

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-AUSTRALIA:TWA 5 mg(W)/m3;STEL 10 mg(W)/m3 JAN 1993
   
   OEL-BELGIUM:TWA 5 mg(W)/m3;STEL 10 mg(W)/m3 JAN 1993
   
   OEL-DENMARK:TWA 5 mg(W)/m3 JAN 1993
   
   OEL-FINLAND:TWA 5 mg(W)/m3 JAN 1993
   
   OEL-THE NETHERLANDS:TWA 5 mg(W)/m3 JAN 1993
   
   OEL-THE PHILIPPINES:TWA 1 mg(W)/m3 JAN 1993
   
   OEL-SWEDEN:TWA 5 mg(W)/m3 JAN 1993
   
   OEL-SWITZERLAND:TWA 5 mg(W)/m3 JAN 1993
   
   OEL-UNITED KINGDOM:TWA 5 mg(W)/m3;STEL 10 mg(W)/m3 JAN 1993
   
   OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV
   
   OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV

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

NIOSH RECOMMENDED EXPOSURE LEVEL (REL) :
   NIOSH REL TO TUNGSTEN, soluble-air:10H TWA 1 mg(W)/m3;STEL 3 mg/m3
REFERENCE :
   NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of
   Health, Education, and Welfare, Reports and Memoranda.
   Volume(issue)/page/year: DHHS #92-100,1992

 
                            *** END OF RECORD ***