*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : EK7785000 CHEMICAL NAME : Butanoic acid, 2-((diethoxyphosphinyl)oxy)-3-oxo-, ethyl ester CAS REGISTRY NUMBER : 3730-54-9 BEILSTEIN REFERENCE NO. : 1794571 REFERENCE : 4-04-00-03657 (Beilstein Handbook Reference) LAST UPDATED : 199712 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C10-H19-O6-P MOLECULAR WEIGHT : 266.26 WISWESSER LINE NOTATION : 2OVYV1&OPO2&O2 COMPOUND DESCRIPTOR : Agricultural Chemical SYNONYMS/TRADE NAMES : * Acetoacetic acid, 2-phosphono-, triethyl ester * ENT 25,623 * Ethyl-2-(diethoxyphosphinyl)-3-oxobutanoate * SD 2580 * Shell SD-2580 *** 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 : 176 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : ARSIM* Agricultural Research Service, USDA Information Memorandum. (Beltsville, MD 20705) Volume(issue)/page/year: 20,18,1966 *** END OF RECORD ***