*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : TC1750000 CHEMICAL NAME : Phosphoric acid, diethyl 5(or 3)-methylpyrazole-3(or 5)-yl ester CAS REGISTRY NUMBER : 108-34-9 LAST UPDATED : 199107 DATA ITEMS CITED : 3 MOLECULAR FORMULA : C8-H15-N2-O4-P MOLECULAR WEIGHT : 234.22 WISWESSER LINE NOTATION : T5MNJ C1 EOPO&O2&O2 &221 COMPOUND DESCRIPTOR : Agricultural Chemical SYNONYMS/TRADE NAMES : * O,O-Diaethyl-O-(3-methyl-1H-pyrazol-5-yl)-phosphat * O,O-Diethyl-O-(3-methyl-1H-pyrazol-5-yl)-fosfaat * Diethyl 3-methyl-5-pyrazolyl phosphate * O,O-Diethyl O-(3-methyl-5-pyrazolyl) phosphate * O,O-Dietil-O-(3-metil-1H-pirazol-5-il)-fosfato * ENT 24,723 * G-24483 * Geigy G-24483 * Methylpyrazolyl diethylphosphate * 3-Methylpyrazolyl-5-diethylphosphate * Phosphate de diethyle et de 3-methyl-5-pyrazolyle * Phosphoric acid, diethyl-(3-methyl-5-pyrazolyl) ester * Phosphoric acid, diethyl-, 3-methylpyrazole-5-yl ester * Pirazoxon * Pyrazol-3(or 5)-ol, 5(or 3)-methyl-, diethyl phosphate * Pyrazoxon * Pyrazoxone *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 7 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : JEENAI Journal of Economic Entomology. (Entomological Soc. of America, 4603 Calvert Rd., College Park, MD 20740) V.1- 1908- Volume(issue)/page/year: 50,356,1957 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 4 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: 20,17,1966 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Bird - wild bird species DOSE/DURATION : 40 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 21,315,1972 *** END OF RECORD ***