*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : WL4160000
CHEMICAL NAME           : Styrene, o-chloro-
CAS REGISTRY NUMBER     : 2039-87-4
BEILSTEIN REFERENCE NO. : 2038863
REFERENCE               : 4-05-00-01345 (Beilstein Handbook Reference)
LAST UPDATED            : 199801
DATA ITEMS CITED        : 14
MOLECULAR FORMULA       : C8-H7-Cl
MOLECULAR WEIGHT        : 138.60
WISWESSER LINE NOTATION : GR B1U1
SYNONYMS/TRADE NAMES :
   * Chlorostyrene
   * o-Chlorostyrene
   * 2-Chlorostyrene
   * o-Chlorostyrene
 
                       *** 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           : 3810 uL/kg
TOXIC EFFECTS :
   Behavioral - muscle weakness
   Lungs, Thorax, or Respiration - dyspnea
   Gastrointestinal - hypermotility, diarrhea
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: OTS0555044
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 4230 uL/kg
TOXIC EFFECTS :
   Behavioral - muscle weakness
   Lungs, Thorax, or Respiration - dyspnea
   Kidney, Ureter, Bladder - other changes in urine composition
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: OTS0555044

                              *** REVIEWS ***
 
   ACGIH TLV-STEL 425 mg/m3 (75 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

   ACGIH TLV-TWA 283 mg/m3 (50 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 50 ppm (285 mg/m3);STEL 75 ppm (430 mg/m3) JAN 1993
   
   OEL-BELGIUM:TWA 50 ppm (283 mg/m3);STEL 75 ppm (425 mg/m3) JAN 1993
   
   OEL-DENMARK:TWA 50 ppm (285 mg/m3) JAN 1993
   
   OEL-FRANCE:TWA 50 ppm (285 mg/m3) JAN 1993
   
   OEL-THE NETHERLANDS:TWA 50 ppm (285 mg/m3) JAN 1993
   
   OEL-SWITZERLAND:TWA 50 ppm (285 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 o-CHLOROSTYRENE-air:10H TWA 50 ppm;STEL 75 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

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

 
                            *** END OF RECORD ***