*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : DM5276550 CHEMICAL NAME : 2-Benzoxazolinone, 3-(2-propynyl)- CAS REGISTRY NUMBER : 19420-41-8 BEILSTEIN REFERENCE NO. : 1212483 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C10-H7-N-O2 MOLECULAR WEIGHT : 173.18 WISWESSER LINE NOTATION : T56 BNVOJ B2UU1 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 3-(2-Propynyl)-2-benzoxazolinone *** 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 : 400 mg/kg TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) Behavioral - changes in motor activity (specific assay) Lungs, Thorax, or Respiration - respiratory depression REFERENCE : JPMSAE Journal of Pharmaceutical Sciences. (American Pharmaceutical Assoc., 2215 Constitution Ave., NW, Washington, DC 20037) V.50- 1961- Volume(issue)/page/year: 57,1763,1968 *** END OF RECORD ***