*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : EM1406000 CHEMICAL NAME : Butanoyl chloride, 4-chloro- CAS REGISTRY NUMBER : 4635-59-0 LAST UPDATED : 199710 DATA ITEMS CITED : 3 MOLECULAR FORMULA : C4-H6-Cl2-O MOLECULAR WEIGHT : 141.00 SYNONYMS/TRADE NAMES : * Butyryl chloride, 4-chloro- * 4-Chlorobutanoic acid chloride * 4-Chlorobutanoyl chloride * 4-Chlorobutyric acid chloride * gamma-Chlorobutyroyl chloride * 4-Chlorobutyroyl chloride * gamma-Chlorobutyryl chloride * 4-Chlorobutyryl chloride *** 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 : 650 mg/m3/4H TOXIC EFFECTS : Lungs, Thorax, or Respiration - respiratory depression Skin and Appendages - hair 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: OTS0570772 *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998 *** END OF RECORD ***