*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : SZ8530000 CHEMICAL NAME : Phosphonic acid, ethyl-, monoethyl ester CAS REGISTRY NUMBER : 7305-61-5 BEILSTEIN REFERENCE NO. : 1749049 REFERENCE : 4-04-00-03524 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C4-H11-O3-P MOLECULAR WEIGHT : 138.12 WISWESSER LINE NOTATION : QPO&2&O2 COMPOUND DESCRIPTOR : Agricultural Chemical SYNONYMS/TRADE NAMES : * O-Ethyl ethanephosphonic acid * O-Ethyl ethylphosphonate * O-Ethyl hydrogen ethylphosphonate * Ethylphosphonic acid ethyl ester * Phosphonic acid, ethyl-, ethyl 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 : 2112 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : PCBPBS Pesticide Biochemistry and Physiology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1971- Volume(issue)/page/year: 1,356,1971 *** END OF RECORD ***