*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : EI9632500 CHEMICAL NAME : 1,3-Butadiene, 2-chloro-, dimer CAS REGISTRY NUMBER : 14523-89-8 LAST UPDATED : 199710 DATA ITEMS CITED : 3 MOLECULAR FORMULA : C8-H10-Cl2 MOLECULAR WEIGHT : 177.08 SYNONYMS/TRADE NAMES : * 2-Chloro-1,3-butadiene dimer * Chloroprene dimer *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LCLo - Lowest published lethal concentration ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 443 ppm/4H 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: OTS0555361 ** OTHER MULTIPLE DOSE TOXICITY DATA ** TYPE OF TEST : TCLo - Lowest published toxic concentration ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 133 ppm/6H/2W-I TOXIC EFFECTS : Cardiac - changes in heart weight Lungs, Thorax, or Respiration - structural or functional change in trachea or bronchi Nutritional and Gross Metabolic - weight loss or decreased weight gain REFERENCE : NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0555361 *** STATUS IN U.S. *** EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998 *** END OF RECORD ***