Structural formula Physical competition number 014W Molecular formula C5H9N3 Molecular weight 111.15 label 1H-imidazole-4-ethylamine, 2-Imidazoleethylamine, histamine, Beta-aminoethylimidazole, Beta-aminoethylglyoxaline, histamine, ergotamine, 2-Imidazol-4-ylethylamine, Eramine, Histamine, Free Base, 1H-Imidazole-4-ethanamine (9CI), Histamine (8CI) Numbering system Physical property data Toxicological data Ecological data Molecular structure data Computing chemical data More Properties and Stability Storage method Synthesis method Purpose Numbering system...