*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : NI5430000 CHEMICAL NAME : 1H-Imidazole-4-ethanamine, phosphate, hydrate (1:2:1) LAST UPDATED : 198603 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C5-H9-N3.2H3-O4-P.H2-O MOLECULAR WEIGHT : 294.22 WISWESSER LINE NOTATION : T5M CNJ D2Z &P-O4 &QH SYNONYMS/TRADE NAMES : * 4-(2-Aminoethyl)imidazole bis(dihydrogen phosphate) hydrate * Histamine diphosphate monohydrate *** 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 : 328 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : ATSUDG Archives of Toxicology, Supplement. (Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ 07094) No.1- 1978- Volume(issue)/page/year: 2,371,1979 *** END OF RECORD ***