*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : SZ7915000 CHEMICAL NAME : Phosphonic acid, ethyl-, cyclic methylene-o-phenylene ester CAS REGISTRY NUMBER : 5853-68-9 BEILSTEIN REFERENCE NO. : 2523581 LAST UPDATED : 199612 DATA ITEMS CITED : 3 MOLECULAR FORMULA : C9-H11-O3-P MOLECULAR WEIGHT : 198.17 COMPOUND DESCRIPTOR : Agricultural Chemical SYNONYMS/TRADE NAMES : * 4H-1,3,2-Benzodioxaphosphorin, 2-ethyl-, 2-oxide * 2-Ethyl-4H-1,3,2-benzodioxaphosphorin-2-oxide * Ethylphosphonic acid cyclic methylene-o-phenylene ester *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 25 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : ABCHA6 Agricultural and Biological Chemistry. (Maruzen Co. Ltd., POB 5050, Tokyo International, Tokyo 100-31, Japan) V.25- 1961- Volume(issue)/page/year: 30,181,1966 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 6 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : BCPCA6 Biochemical Pharmacology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.1- 1958- Volume(issue)/page/year: 12,73,1963 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Bird - chicken DOSE/DURATION : 1 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : BCPCA6 Biochemical Pharmacology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.1- 1958- Volume(issue)/page/year: 12,73,1963 *** END OF RECORD ***