TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 350 mg/kg TOXIC EFFECTS : Behavioral - altered sleep time (including change in righting reflex) Behavioral - ataxia Lungs, Thorax, or Respiration - respiratory depression REFERENCE : CNJPAZ Canadian Journal of Pharmaceutical Sciences. (Toronto, Ont., Canada) V.1-16, 1966-81. Discontinued. Volume(issue)/page/year: 9,108,1974