*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UF7772000 CHEMICAL NAME : Propionic acid, 2,2,3,3-tetrafluoro-3-(trifluoromethoxy)- CAS REGISTRY NUMBER : 377-73-1 BEILSTEIN REFERENCE NO. : 1795024 REFERENCE : 4-03-00-00022 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C4-H-F7-O3 MOLECULAR WEIGHT : 230.05 WISWESSER LINE NOTATION : QVXFFXFFOXFFF SYNONYMS/TRADE NAMES : * MFK * Perfluoromethoxyperfluoropropionic acid *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 6556 mg/m3/2H TOXIC EFFECTS : Lungs, Thorax, or Respiration - other changes REFERENCE : GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 18(7),52,1974 *** END OF RECORD ***