*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : WH6714500
CHEMICAL NAME           : Stannane, bis(2-ethylhexanoyloxy)dibutyl-
CAS REGISTRY NUMBER     : 2781-10-4
LAST UPDATED            : 199712
DATA ITEMS CITED        : 29
MOLECULAR FORMULA       : C24-H48-O4-Sn
MOLECULAR WEIGHT        : 519.41
WISWESSER LINE NOTATION : 4Y2&VO-SN-4&4&OVY4&2
COMPOUND DESCRIPTOR     : Organometallic
SYNONYMS/TRADE NAMES :
   * Dibutylbis((2-ethyl-1-oxohexyl)oxy)stannane
   * Dibutyltin bis(alpha-ethylhexanoate)
   * Dibutyltin bis(2-ethylhexanoate)
   * Dibutyltin di(2-ethylhexanoate)
   * Di-n-butyltin di-2-ethylhexanoate
   * Dibutyltin di(2-ethylhexoate)
   * Stannane, dibutylbis((2-ethylhexanoyl)oxy)-
   * Stannane, dibutylbis((2-ethyl-1-oxohexyl)oxy)-
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 200 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JPMSAE Journal of Pharmaceutical Sciences.  (American Pharmaceutical Assoc.,
   2215 Constitution Ave., NW, Washington, DC 20037)  V.50-    1961-
   Volume(issue)/page/year: 56,240,1967
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 200 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JPMSAE Journal of Pharmaceutical Sciences.  (American Pharmaceutical Assoc.,
   2215 Constitution Ave., NW, Washington, DC 20037)  V.50-    1961-
   Volume(issue)/page/year: 56,240,1967
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 178 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#00178

                              *** REVIEWS ***
 
   ACGIH TLV-TWA 0.1 mg(Sn)/m3;STEL 0.2 mg/m3 (skin)
   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

   ACGIH TLV-Not classifiable as a human carcinogen
   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 0.1 mg(Sn)/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:
   3,258,1971

   OSHA PEL (Gen Indu):8H TWA 0.1 mg(Sn)/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 0.1 mg(Sn)/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 0.1 mg(Sn)/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 0.1 mg(Sn)/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-AUSTRALIA:TWA 0.1 mg(Sn)/m3;Skin JAN 1993
   
   OEL-BELGIUM:TWA 0.1 mg(Sn)/m3;Skin JAN 1993
   
   OEL-DENMARK:TWA 0.1 mg(Sn)/m3;Skin JAN 1993
   
   OEL-FINLAND:TWA 0.1 mg(Sn)/m3;STEL 0.3 mg(Sn)/m3;Skin JAN 1993
   
   OEL-FRANCE:TWA 0.1 mg(Sn)/m3;STEL 0.2 mg(Sn)/m3 JAN 1993
   
   OEL-GERMANY:TWA 0.1 mg(Sn)/m3;Skin JAN 1993
   
   OEL-HUNGARY:STEL 0.1 mg(Sn)/m3;Skin JAN 1993
   
   OEL-THE NETHERLANDS:TWA 0.1 mg(Sn)/m3;Skin JAN 1993
   
   OEL-THE PHILIPPINES:TWA 0.1 mg(Sn)/m3 JAN 1993
   
   OEL-SWEDEN:TWA 0.1 mg(Sn)/m3;STEL 0.2 mg(Sn)/m3;Skin JAN 1993
   
   OEL-SWITZERLAND:TWA 0.1 mg(Sn)/m3;STEL 0.2 mg(Sn)/m3;Skin JAN 1993
   
   OEL-THAILAND:TWA 0.1 mg(Sn)/m3 JAN 1993
   
   OEL-UNITED KINGDOM:TWA 0.1 mg(Sn)/m3;STEL 0.2 mg(Sn)/m3;Skin 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 ORGANOTIN COMPOUND-air:10H TWA 0.1 mg(Sn)/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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - M3953
       No. of Facilities: 21 (estimated)
       No. of Industries: 2
       No. of Occupations: 2
       No. of Employees: 356 (estimated)

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

 
                            *** END OF RECORD ***