*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : EQ0415000
CHEMICAL NAME           : Butyl diselenide
CAS REGISTRY NUMBER     : 20333-40-8
BEILSTEIN REFERENCE NO. : 1698055
REFERENCE               : 4-01-00-01566 (Beilstein Handbook Reference)
LAST UPDATED            : 199712
DATA ITEMS CITED        : 23
MOLECULAR FORMULA       : C8-H18-Se2
MOLECULAR WEIGHT        : 272.18
WISWESSER LINE NOTATION : 4-SE--SE-4
SYNONYMS/TRADE NAMES :
   * Dibutyl diselenide
   * Di-n-butyl-diselinide
   * Dibutyldiselenium
   * Diselenide, dibutyl-
 
                       *** 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           : 75 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#09252

                              *** REVIEWS ***
 
   ACGIH TLV-TWA 0.2 mg(Se)/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 0.2 mg(Se)/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:
   3,224,1971

   OSHA PEL (Gen Indu):8H TWA 0.2 mg(Se)/m3
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   29,1910.1000,1994

   OSHA PEL (Construc):8H TWA 0.2 mg(Se)/m3
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   29,1926.55,1994

   OSHA PEL (Shipyard):8H TWA 0.2 mg(Se)/m3
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   29,1915.1000,1993

   OSHA PEL (Fed Cont):8H TWA 0.2 mg(Se)/m3
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   41,50-204.50,1994

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-ARAB Republic of Egypt:TWA 0.2 mg(Se)/m3 JAN 1993
   
   OEL-AUSTRALIA:TWA 0.2 mg(Se)/m3 JAN 1993
   
   OEL-BELGIUM:TWA 0.2 mg(Se)/m3 JAN 1993
   
   OEL-DENMARK:TWA 0.1 mg(Se)/m3 JAN 1993
   
   OEL-FINLAND:TWA 0.1 mg(Se)/m3;STEL 0.3 mg(Se)/m3 JAN 1993
   
   OEL-GERMANY:TWA 0.1 mg(Se)/m3 JAN 1993
   
   OEL-HUNGARY:STEL 0.1 mg(Se)/m3 JAN 1993
   
   OEL-THE NETHERLANDS:TWA 0.2 mg(Se)/m3 JAN 1993
   
   OEL-THE PHILIPPINES:TWA 0.2 mg(Se)/m3 JAN 1993
   
   OEL-POLAND:TWA 0.1 mg(Se)/m3 JAN 1993
   
   OEL-SWEDEN:TWA 0.1 mg(Se)/m3 JAN 1993
   
   OEL-SWITZERLAND:TWA 0.1 mg(Se)/m3 JAN 1993
   
   OEL-TURKEY:TWA 0.2 mg(Se)/m3 JAN 1993
   
   OEL-UNITED KINGDOM:TWA 0.1 mg(Se)/m3 JAN 1993
   
   OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV
   
   OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV

 
                            *** END OF RECORD ***