| 单词 |
diphenyl |
| 释义 |
diphenyl Chem.|daɪˈfɛnɪl|
[f. di-2 + phenyl, F. phényle (f. ϕαίνειν to show, bring to light + ὕλη substance: see -yl.]
An aromatic hydrocarbon having the formula C6H C6H5, or twice that of the radical phenyl.
1873Fownes' Chem. (ed. 11) 758. 1877 Watts ibid. (ed. 12) II. 562 Diphenyl crystallizes from alcohol in iridescent nacreous scales.
b. attrib. and Comb., as diphenyl group, diphenyl ketone, diphenyl-methane, etc.
diˈphenylaˌmine, a crystalline substance having a pleasant odour and weakly basic properties, prepared by the dry distillation of rosaniline blue, and used in the preparation of various dye-stuffs; hence diphenylamine blue = spirit blue.
1863–72Watts Dict. Chem. IV. 453 Diphenylamine heated with chloride of benzoyl yields diphenyl-benzamide. 1882Athenæum 25 Mar. 384/3 This colour is the chloride of a base which the author has proved to be diphenyldiamido⁓triphenylcarbinol. 1884Manch. Exam. 6 Oct. 4/5 The process of manufacture..of diphenylaminenaphtol, resorcine, or alizarine dyes. |
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