TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 4168 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