单词 | triamine |
释义 | triaminen. Chemistry. A carbon compound containing three amidogen or amino-groups (NH2), but excluding the amides, in which the amidogen may be viewed as replacing acid hydroxyl groups; the hydrogen of the amidogen groups may be replaced by one or more monovalent radicals: see also quot. 1868. ΚΠ 1868 H. B. Jones & H. Watts Fownes's Man. Elem. Chem. (ed. 10) 882 Triamines. These are bases derived from..three molecules of ammonia..N3H9, by substitution of..trivalent alcohol-radicals for a part or the whole of the hydrogen. A portion of the hydrogen may at the same time be replaced by univalent alcohol-radicals. 1887 C. M. Tidy Handbk. Mod. Chem. (ed. 2) 758 Aniline red is a salt of base rosaniline, C20H19N3. This..is a triamine. This entry has not yet been fully updated (first published 1914; most recently modified version published online June 2018). < n.1868 |
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