*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : SX1825000
CHEMICAL NAME           : Phenyl selenide
CAS REGISTRY NUMBER     : 1132-39-4
LAST UPDATED            : 199712
DATA ITEMS CITED        : 25
MOLECULAR FORMULA       : C12-H10-Se
MOLECULAR WEIGHT        : 233.18
WISWESSER LINE NOTATION : R-SE-R
SYNONYMS/TRADE NAMES :
   * Benzene, 1,1'-selenobis-
   * Biphenyl selenide
   * Biphenyl selenium
   * Difenylselenium
   * Diphenyl selenide
   * Diphenyl selenium
   * 1,1'-Selenobisbenzene
 
                       *** 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           : 360 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Lungs, Thorax, or Respiration - dyspnea
   Nutritional and Gross Metabolic - other changes
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   20,89,1971

                              *** 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

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

 
                            *** END OF RECORD ***