*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : EM4925000 CHEMICAL NAME : 2-Butene, 2,3-dichloro-1,1,1,4,4,4-hexafluoro-, (E)- CAS REGISTRY NUMBER : 2418-21-5 LAST UPDATED : 199012 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C4-Cl2-F6 MOLECULAR WEIGHT : 232.94 WISWESSER LINE NOTATION : FXFFYGUYGXFFF -T SYNONYMS/TRADE NAMES : * (E)-2,3-Dichlorohexafluoro-2-butene *** 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 : 61 ppm/1H TOXIC EFFECTS : Lungs, Thorax, or Respiration - acute pulmonary edema Lungs, Thorax, or Respiration - dyspnea Lungs, Thorax, or Respiration - cyanosis REFERENCE : FLCRAP Fluorine Chemistry Reviews. (Marcel Dekker, 270 Madison Ave., New York, NY 10016) V.1- 1967- Volume(issue)/page/year: 1,197,1967 *** END OF RECORD ***