*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : AP1080000
CHEMICAL NAME           : Acetylene, dichloro-
CAS REGISTRY NUMBER     : 7572-29-4
LAST UPDATED            : 199712
DATA ITEMS CITED        : 28
MOLECULAR FORMULA       : C2-Cl2
MOLECULAR WEIGHT        : 94.92
WISWESSER LINE NOTATION : G1UU1G
COMPOUND DESCRIPTOR     : Tumorigen
                          Mutagen
SYNONYMS/TRADE NAMES :
   * Dichloroacetylene
   * Dichloroethyne
   * Ethyne, dichloro-
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 19 ppm/6H
TOXIC EFFECTS :
   Behavioral - changes in motor activity (specific assay)
   Lungs, Thorax, or Respiration - dyspnea
   Skin and Appendages - hair
REFERENCE :
   FCTXAV Food and Cosmetics Toxicology.  (London, UK)  V.1-19, 1963-81.  For
   publisher information, see FCTOD7.  Volume(issue)/page/year: 13,511,1975
 
TYPE OF TEST            : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 307 ppm/1H
TOXIC EFFECTS :
   Liver - fatty liver degeneration
   Kidney, Ureter, Bladder - changes in tubules (including acute renal failure,
   acute tubular necrosis)
REFERENCE :
   FCTXAV Food and Cosmetics Toxicology.  (London, UK)  V.1-19, 1963-81.  For
   publisher information, see FCTOD7.  Volume(issue)/page/year: 16,227,1978
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 14 ppm/6H/77W-I
TOXIC EFFECTS :
   Tumorigenic - Carcinogenic by RTECS criteria
   Vascular - tumors
   Kidney, Ureter, Bladder - Kidney tumors
REFERENCE :
   CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House,
   Southfield Road, Eynsham, Oxford OX8 1JJ, UK)  V.1-    1980-
   Volume(issue)/page/year: 5,1411,1984
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 2 ppm/24H/77W-I
TOXIC EFFECTS :
   Tumorigenic - Carcinogenic by RTECS criteria
   Kidney, Ureter, Bladder - Kidney tumors
   Blood - tumors
REFERENCE :
   CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House,
   Southfield Road, Eynsham, Oxford OX8 1JJ, UK)  V.1-    1980-
   Volume(issue)/page/year: 5,1411,1984
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 4000 ppm
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 117,21,1983

                              *** REVIEWS ***
 
   ACGIH TLV-Animal 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

   ACGIH TLV-CL 0.39 mg/m3 (0.1 ppm)
   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

   IARC Cancer Review:Animal Limited Evidence
   IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals
   to Man.  (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210)
   V.1-    1972-  Volume(issue)/page/year: 39,369,1986

   IARC Cancer Review:Human No Adequate Data
   IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals
   to Man.  (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210)
   V.1-    1972-  Volume(issue)/page/year: 39,369,1986

   IARC Cancer Review:Group 3
   IMSUDL IARC Monographs, Supplement.  (WHO Publications Centre USA, 49
   Sheridan Ave., Albany, NY 12210)  No.1-    1979-  Volume(issue)/page/year:
   7,56,1987

                    *** U.S. STANDARDS AND REGULATIONS ***
 
   MSHA STANDARD:air-CL 0.1 ppm (0.4 mg/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: 3,75,1971

   OSHA PEL (Construc):CL 0.1 ppm (0.4 mg/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):CL 0.1 ppm (0.4 mg/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

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-AUSTRALIA:TWA 0.1 ppm (0.4 mg/m3);Carcinogen JAN 1993
   
   OEL-BELGIUM:STEL 0.1 ppm (0.39 mg/m3) JAN 1993
   
   OEL-BELGIUM:TWA 0.1 mg/m3;STEL 0.39 mg/m3 JAN 1993
   
   OEL-DENMARK:STEL 0.1 ppm (0.4 mg/m3) JAN 1993
   
   OEL-DENMARK:TWA 0.1 mg/m3;STEL 0.4 mg/m3 JAN 1993
   
   OEL-FINLAND:TWA 0.1 ppm (0.4 mg/m3);STEL 0.3 ppm (1.2 mg/m3) JAN 1993
   
   OEL-GERMANY;Carcinogen JAN 1993
   
   OEL-THE NETHERLANDS:TWA 0.1 ppm (0.4 mg/m3) JAN 1993
   
   OEL-SWITZERLAND:TWA 0.1 ppm (0.4 mg/m3);Carcinogen JAN 1993
   
   OEL-UNITED KINGDOM:TWA 0.1 ppm (0.4 mg/m3);STEL 0.1 ppm (0.4
   mg/m3);Carcinogen 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 DICHLOROACETYLENE-air:CA CL 0.1 ppm
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 :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X5342
       No. of Facilities: 3 (estimated)
       No. of Industries: 1
       No. of Occupations: 3
       No. of Employees: 61 (estimated)
       No. of Female Employees: 6 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***