*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : NQ8925000 CHEMICAL NAME : Isocyanic acid, 2,2,3,3,4,4,4-heptafluorobutyl ester CAS REGISTRY NUMBER : 377-00-4 BEILSTEIN REFERENCE NO. : 1711589 REFERENCE : 4-04-00-00613 (Beilstein Handbook Reference) LAST UPDATED : 199712 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C5-H2-F7-N-O MOLECULAR WEIGHT : 225.08 WISWESSER LINE NOTATION : OCN1XFFXFFXFFF SYNONYMS/TRADE NAMES : * 2,2,3,3,4,4,4-Heptafluorobutyl isocyanate *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 18 mg/kg TOXIC EFFECTS : Lungs, Thorax, or Respiration - chronic pulmonary edema Blood - hemorrhage 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: 2,299,1950 *** END OF RECORD ***