*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UX6420000 CHEMICAL NAME : Pyrophosphoric acid, dimethyl diisopropyl ester CAS REGISTRY NUMBER : 63919-09-5 LAST UPDATED : 199712 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C8-H20-O7-P2 MOLECULAR WEIGHT : 290.22 WISWESSER LINE NOTATION : 1Y1&OPO&O1&OPO&O1&OY1&1 SYNONYMS/TRADE NAMES : * Dimethyl diisopropyl pyrophosphate *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 2500 ug/kg TOXIC EFFECTS : Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase REFERENCE : AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. (Chicago, IL) V.2-10, 1950-54. For publisher information, see AEHLAU. Volume(issue)/page/year: 6,9,1952 *** END OF RECORD ***