*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : AY6030000
CHEMICAL NAME           : Alanine, 3,3'-diselenodi-
CAS REGISTRY NUMBER     : 1464-43-3
LAST UPDATED            : 199712
DATA ITEMS CITED        : 25
MOLECULAR FORMULA       : C6-H12-N2-O4-Se2
MOLECULAR WEIGHT        : 334.12
WISWESSER LINE NOTATION : QVYZ1-SE--SE-1YZVQ
COMPOUND DESCRIPTOR     : Mutagen
SYNONYMS/TRADE NAMES :
   * Alanine, 3,3'-diselenobis-
   * 3,3'-Diselenobisalanine
   * 3,3'-Diselenodialanine
   * Selenium cystine
   * Selenocystine
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 4 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   CTOXAO Clinical Toxicology.  (New York, NY)  V.1-18, 1968-81.  For publisher
   information, see JTCTDW.  Volume(issue)/page/year: 17,171,1980
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Specific locus test
ROUTE OF EXPOSURE       : Oral
TEST SYSTEM             : Insect - Drosophila melanogaster
DOSE/DURATION           : 10 umol/L
REFERENCE :
   CNJGA8 Canadian Journal of Genetics and Cytology.  (National Research
   Council of Canada, Publication Sales and Distribution, Ottawa ON K1A OR6,
   Canada)  V.1-    1959-  Volume(issue)/page/year: 17,55,1975

                              *** 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

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - A1285
       No. of Facilities: 33 (estimated)
       No. of Industries: 1
       No. of Occupations: 1
       No. of Employees: 132 (estimated)

 
                            *** END OF RECORD ***