TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 221 gm/m3 TOXIC EFFECTS : Behavioral - general anesthetic Lungs, Thorax, or Respiration - respiratory depression Lungs, Thorax, or Respiration - other changes REFERENCE : UCPHAQ University of California, Berkeley, Publications in Pharmacology. (Berkeley, CA) V.1-3, 1938-57. Discontinued. Volume(issue)/page/year: 2,39,1941