| 释义 |
acetamide Chem.|ˈæsɪtəˌmaɪd, əˈsɛtəmaɪd|
[f. acet- + amide.]
1. The primary amide in which the replacing acid radical is acetyl; C2H3O.NH2; a white crystalline solid of nearly neutral properties.
1873Williamson Chem. §282 Products formed like acetamide by the replacement of hydrogen in ammonia by a radical of chlorous properties are called amides. 1874Roscoe Elem. Chem. 354 Acetamide is a colourless solid, fusing at 78°, and boiling at 222°. 1877Watts Fownes' Chem. II. 379 Acetamide..crystallizes in long needles.
2. A series of analogous compounds, in which two or all three hydrogen atoms in ammonia NH3, are replaced by the radical acetyl (diacetamide, triacetamide), or in which one or two are replaced by acetyl, and one or two by other radicals, as ethyl-acetamide, ethyl-diacetamide, etc. |