*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : RI2725000 CHEMICAL NAME : 2-Octynoic acid CAS REGISTRY NUMBER : 5663-96-7 BEILSTEIN REFERENCE NO. : 1751225 REFERENCE : 4-02-00-01714 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C8-H12-O2 MOLECULAR WEIGHT : 140.20 WISWESSER LINE NOTATION : 5OV1UU1 SYNONYMS/TRADE NAMES : * m-Pentyl propiolate * Propiolic acid, pentyl ester *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 18 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#05747 *** END OF RECORD ***