*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : SZ5385000 CHEMICAL NAME : Phosphinic acid, methylphenyl-, 4-nitrophenyl ester CAS REGISTRY NUMBER : 35691-25-9 BEILSTEIN REFERENCE NO. : 2868979 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C13-H12-N-O4-P MOLECULAR WEIGHT : 277.23 SYNONYMS/TRADE NAMES : * 4-Nitrophenyl methylphenylphosphinate *** 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 : 12500 ug/kg TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) Behavioral - tremor Skin and Appendages - hair REFERENCE : NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD-A121-876 *** END OF RECORD ***