*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : XM5150000
CHEMICAL NAME           : Thionyl chloride
CAS REGISTRY NUMBER     : 7719-09-7
LAST UPDATED            : 199712
DATA ITEMS CITED        : 15
MOLECULAR FORMULA       : Cl2-O-S
MOLECULAR WEIGHT        : 118.96
WISWESSER LINE NOTATION : OSGG
SYNONYMS/TRADE NAMES :
   * Sulfinyl chloride
   * Sulfur chloride oxide
   * Sulfurous dichloride
   * Sulfurous oxychloride
   * Thionyl chloride
   * Thionyl dichloride
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 500 ppm/1H
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: AD-A148-952

                              *** REVIEWS ***
 
   ACGIH TLV-CL 4.9 mg/m3 (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

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-AUSTRALIA:TWA 1 ppm (5 mg/m3) JAN 1993
   
   OEL-BELGIUM:STEL 1 ppm (4.9 mg/m3) JAN 1993
   
   OEL-DENMARK:TWA 1 ppm (5 mg/m3) JAN 1993
   
   OEL-THE NETHERLANDS:TWA 1 ppm (5 mg/m3) JAN 1993
   
   OEL-SWITZERLAND:TWA 1 ppm (5 mg/m3) JAN 1993
   
   OEL-UNITED KINGDOM:STEL 1 ppm (5 mg/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 RECOMMENDED EXPOSURE LEVEL (REL) :
   NIOSH REL TO THIONYL CHLORIDE-air:CL 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 :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - 82024
       No. of Facilities: 73 (estimated)
       No. of Industries: 3
       No. of Occupations: 7
       No. of Employees: 2440 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 82024
       No. of Facilities: 43 (estimated)
       No. of Industries: 2
       No. of Occupations: 6
       No. of Employees: 7082 (estimated)
       No. of Female Employees: 1223 (estimated)

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

 
                            *** END OF RECORD ***