*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : KO2100000 CHEMICAL NAME : Ether, methyl octafluoroisobutyl CAS REGISTRY NUMBER : 63919-03-9 LAST UPDATED : 198405 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C5-H4-F8-O MOLECULAR WEIGHT : 232.09 WISWESSER LINE NOTATION : FXFFXFXFFFYFO1 SYNONYMS/TRADE NAMES : * Octafluoroisobutyl methyl ether *** 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 : 180 mg/kg TOXIC EFFECTS : Behavioral - tremor Lungs, Thorax, or Respiration - respiratory depression Nutritional and Gross Metabolic - body temperature decrease REFERENCE : TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 14,114,1969 *** END OF RECORD ***