| 单词 |
flavanthrone |
| 释义 |
flavanthrone Chem.|fleɪˈvæn-, ˈfleɪvænθrəʊn|
Also -ene.
[flavanthrene ad. G. flavanthren, f. flavo- + anthra- + -ene; flavanthrone f. flavanthrene after anthrone (see -one).]
An anthraquinone derivative, C28H12N2O2, isolated as yellowish brown needles and used as a yellow vat dye.
1902in Proc. R. Inst. (1906) XVII. 107 Flavanthrene, a yellow dye-stuff, which has not yet left the laboratory of its inventor, has a blue leuco-compound. 1902Jrnl. Soc. Dyers & Colourists XVIII. 188/1 The new colouring matter which was referred to by Prof. O. N. Witt in his recent lecture at the Royal Institution as Flavanthrene, does not appear to have come into the market yet. 1920F. A. Mason tr. Georgievics's Text-bk. Dye Chem. (ed. 2) 452 Flavanthrone..is sold as Indanthrene Yellow G (B.A.S.F.), Chloranthrene Yellow (B.D.L.), and Caledon Yellow G (Sol.). 1952K. Venkataraman Chem. Synthetic Dyes II. xxxii. 992 Flavanthrone.., which dyes orange-yellow shades from the blue vat, continues to be an important dye (partly because it is a nontenderer and has good light fastness). 1961Cockett & Hilton Dyeing Cellulosic Fibres i. 13 In 1901, the first anthraquinone vat dye, Indanthrone (Indanthrene Blue B), was discovered by Bohn... This was followed in the same year, and from the same chemist, by Flavanthrone (Indanthrene Yellow G) and many other variations. |
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