*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : TG7250000 CHEMICAL NAME : Phosphorous acid, cyclic ethylene methyl ester CAS REGISTRY NUMBER : 3741-36-4 BEILSTEIN REFERENCE NO. : 0605525 REFERENCE : 4-01-00-02414 (Beilstein Handbook Reference) LAST UPDATED : 199712 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C3-H7-O3-P MOLECULAR WEIGHT : 122.07 WISWESSER LINE NOTATION : T5OPOTJ BO1 SYNONYMS/TRADE NAMES : * O,O-Bis(ethylene)-O-methyl phosphite * 1,3,2-Dioxaphospholane, 2-methoxy- * Ethylene diethylamido phosphite * Ethylene diethylphosphoramidite * 2-Methoxy-1,3,2-dioxafosfolan *** 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 : 1600 mg/kg TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) REFERENCE : AMIHAB AMA Archives of Industrial Health. (Chicago, IL) V.11-21, 1955-60. For publisher information, see AEHLAU. Volume(issue)/page/year: 11,487,1955 *** END OF RECORD ***