*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : AO9600000
CHEMICAL NAME           : Acetylene
CAS REGISTRY NUMBER     : 74-86-2
LAST UPDATED            : 199712
DATA ITEMS CITED        : 22
MOLECULAR FORMULA       : C2-H2
MOLECULAR WEIGHT        : 26.04
WISWESSER LINE NOTATION : 1UU1
COMPOUND DESCRIPTOR     : Human
SYNONYMS/TRADE NAMES :
   * Acetylen
   * Acetylene
   * Ethine
   * Ethyne
   * Narcylen
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Human
DOSE/DURATION           : 20 pph
TOXIC EFFECTS :
   Behavioral - headache
   Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
   34ZIAG "Toxicology of Drugs and Chemicals," Deichmann, W.B., New York,
   Academic Press, Inc., 1969  Volume(issue)/page/year: -,67,1969
 
TYPE OF TEST            : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Human
DOSE/DURATION           : 50 pph/5M
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   TABIA2 Tabulae Biologicae.  (The Hague, Netherlands)  V.1-22, 1925-63.
   Discontinued.  Volume(issue)/page/year: 3,231,1933
 
TYPE OF TEST            : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Mammal - species unspecified
DOSE/DURATION           : 50 pph/5M
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AEPPAE Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und
   Pharmakologie.  (Berlin, Ger.) V.110-253, 1925-66.  For publisher
   information, see NSAPCC.  Volume(issue)/page/year: 138,65,1928

                              *** REVIEWS ***
 
   ACGIH TLV-Simple asphyxiant, NO TWA
   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:ASPHYXIANTS/GASES
   DTLWS* "Documentation of the Threshold Limit Values for Substances in
   Workroom Air," Supplements. For publisher information, see 85INA8.
   Volume(issue)/page/year: 3,8,1973

   OSHA PEL (Construc):simple asphyxiant - inert gas and vapor
   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):Simple asphyxiant - inert gas and vapor
   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):Simple asphyxiant - inert gas and vapor
   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 1 ppm (14 mg/m3) JAN 1993
   
   OEL-AUSTRALIA:Asphyxiant JAN 1993
   
   OEL-BELGIUM:Asphyxiant JAN 1993
   
   OEL-HUNGARY:Asphyxiant JAN 1993
   
   OEL-THE NETHERLANDS:Asphyxiant JAN 1993
   
   OEL-SWITZERLAND:TWA 1000 ppm (1080 mg/m3) JAN 1993
   
   OEL-UNITED KINGDOM:Asphyxiant 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 ACETYLENE-air:CL 2500 ppm/15M
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 - 03298
       No. of Facilities: 85909 (estimated)
       No. of Industries: 341
       No. of Occupations: 111
       No. of Employees: 704679 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 03298
       No. of Facilities: 2514 (estimated)
       No. of Industries: 41
       No. of Occupations: 52
       No. of Employees: 48962 (estimated)
       No. of Female Employees: 3072 (estimated)

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

 
                            *** END OF RECORD ***