*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : SC5647000 CHEMICAL NAME : 4-Pentyno-2',6'-xylidide, 2-(diethylamino)-, monohydrochloride CAS REGISTRY NUMBER : 15960-90-4 LAST UPDATED : 198212 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C17-H24-N2-O.Cl-H MOLECULAR WEIGHT : 308.89 WISWESSER LINE NOTATION : 2N2&Y2UU1&VMR B1 F1 &GH COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 2-(Diethylamino)-4-pentyno-2',6'-xylidide hydrochloride * 2-Diethylaminopent-4-ynoyl-2,6-xylidide hydrochloride * 4-Pentynamide, 2-(diethylamino)-N-(2,6-dimethylphenyl)-, monohydrochloride * WY 21745 *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 742 mg/kg TOXIC EFFECTS : Peripheral Nerve and Sensation - local anesthetic REFERENCE : AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 191,405,1971 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 41 mg/kg TOXIC EFFECTS : Peripheral Nerve and Sensation - local anesthetic REFERENCE : AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 191,405,1971 *** END OF RECORD ***