英语词汇“gallacetophenone”的英英意思、用法、释义、翻译、读音、例句、短语、词组、英语词典-本地帮

单词

gallacetophenone

释义

gallacetophenone Chem.|gəˌlæsɪtəʊfɪˈnəʊn, ˌgæləsiːtəʊˈfiːnəʊn|
[ad. G. gallacetophenon (Nencki & Sieber 1881, in Jrnl. prakt. Chem. XXIII. 537), f. gall- + acetophenone.]
A yellow crystalline compound, C₆H₂(OH)₃COCH₃, formerly used in ointments for skin-diseases and as a mordant dye-stuff.
1881Jrnl. Chem. Soc. XL. 811 Gallacetophenone is obtained on heating pyrogallol with glacial acetic acid and zinc chloride at 145°.1893E. Knecht et al. Man. Dyeing II vii. 628 Alizarin-yellow C or gallacetophenone is produced by the action of glacial acetic acid and chloride of zinc on pyrogallol.1904H. W. Stelwagon Treat. Dis. Skin (ed. 3) iii. 238 Gallacetophenone is likewise employed in this disease [sc. psoriasis], in the form of an ointment.1952K. Venkataraman Chem. Synthetic Dyes II. xxvi. 796 Alizarin Yellow C.., one of the earliest synthetic mordant dyes, was gallacetophenone.

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