*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : YT2400000 CHEMICAL NAME : Urea, (2-ethylcrotonoyl)- CAS REGISTRY NUMBER : 5982-97-8 LAST UPDATED : 199712 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C7-H12-N2-O2 MOLECULAR WEIGHT : 156.21 WISWESSER LINE NOTATION : ZVMVY2&U2 SYNONYMS/TRADE NAMES : * 2-Butenamide, N-(aminocarbonyl)-2-ethyl- * Crotonyl ureide, alpha-ethyl- * (2-Ethylcrotonoyl)urea * (alpha-Ethylcrotonyl)carbamide * (alpha-Ethylcrotonyl)urea *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 1300 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : NYKZAU Nippon Yakurigaku Zasshi. Japanese Journal of Pharmacology. (Nippon Yakuri Gakkai, c/o Kyoto Daigaku Igakubu Yakurigaku Kyoshitsu, Konoe-cho, Yoshida, Sakyo-ku, Kyoto 606, Japan) V.40- 1944- Volume(issue)/page/year: 56,377,1960 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 150 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#00084 *** END OF RECORD ***