*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : XT3675000 CHEMICAL NAME : alpha-Toluenephosphonic acid, p-chloro-alpha-hydroxy-, diethyl ester CAS REGISTRY NUMBER : 20641-28-5 BEILSTEIN REFERENCE NO. : 1984002 LAST UPDATED : 199707 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C11-H16-Cl-O4-P MOLECULAR WEIGHT : 278.69 WISWESSER LINE NOTATION : GR DYQPO&O2&O2 SYNONYMS/TRADE NAMES : * p-Chloro-alpha-hydroxy-alpha-toluenephosphonic acid diethyl ester * Phosphonic acid, ((4-chlorophenyl)hydroxymethyl)-, diethyl ester *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 500 mg/kg TOXIC EFFECTS : Behavioral - altered sleep time (including change in righting reflex) Behavioral - ataxia REFERENCE : CBCCT* "Summary Tables of Biological Tests," National Research Council Chemical-Biological Coordination Center. (National Academy of Science Library, 2101 Constitution Ave., NW, Washington, DC 20418) Volume(issue)/page/year: 5,62,1953 *** END OF RECORD ***