*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : SZ8010000 CHEMICAL NAME : Phosphonic acid, ethyl-, ethyl methyl ester CAS REGISTRY NUMBER : 5301-65-5 LAST UPDATED : 199112 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C5-H13-O3-P MOLECULAR WEIGHT : 152.15 SYNONYMS/TRADE NAMES : * Ethyl methyl ethylphosphonate *** 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 : >1 gm/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 ***