*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : SZ4576000 CHEMICAL NAME : Phosphinic acid, (chloromethyl)phenyl-, p-nitrophenyl ester CAS REGISTRY NUMBER : 88144-99-4 LAST UPDATED : 199503 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C13-H11-Cl-N-O4-P MOLECULAR WEIGHT : 311.67 SYNONYMS/TRADE NAMES : * (Chloromethyl)phenylphosphinic acid p-nitrophenyl ester * (Chloromethyl)phenylphosphinic acid 4-nitrophenyl ester * 4-Nitrophenyl monochloromethyl phenylphosphinate * Phosphinic acid, (chloromethyl)phenyl-, 4-nitrophenyl ester * TA 009 *** 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 : 203 mg/kg TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - respiratory depression REFERENCE : NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD-A148-337 *** END OF RECORD ***