*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : TA0383000 CHEMICAL NAME : Phosphonic acid, phenyl-, isobutyl 2-propynyl ester CAS REGISTRY NUMBER : 27442-58-6 LAST UPDATED : 199512 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C13-H17-O3-P MOLECULAR WEIGHT : 252.27 SYNONYMS/TRADE NAMES : * NIA 16824 * Phenylphosphonic acid isobutyl 2-propynyl ester * Phosphonic acid, phenyl-, 2-methylpropyl 2-propynyl ester *** 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 : 600 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : JAFCAU Journal of Agricultural and Food Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB 57136, West End Stn., Washington, DC 20037) V.1- 1953- Volume(issue)/page/year: 18,753,1970 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Administration onto the skin SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 2500 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : JAFCAU Journal of Agricultural and Food Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB 57136, West End Stn., Washington, DC 20037) V.1- 1953- Volume(issue)/page/year: 18,753,1970 *** END OF RECORD ***