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

单词	phenosafranine
释义	phenosafranine Chem.\|fiːnəˈsæfrəniːn, -ɪn\| Formerly also -in. [ad. G. phenosafranin (O. N. Witt: see R. Nietzki in Ber. d. Deut. Chem. Ges. (1883) XVI. 466), f. pheno- pheno- + safranin safranin.] A synthetic red dye, C₁₈H₁₅N₄Cl, which is used in photography as a desensitizer; also, any of the derivatives of this compound. 1883Jrnl. Chem. Soc. XLIV. 731 Phenosafranine,..obtained by Witt by oxidising a mixture of aniline (2 mols.) and paraphenylenediamine (1 mol.).., forms beautifully crystalline salts.1921[see desensitize v.].1937Thorpe's Dict. Appl. Chem. (ed. 4) I. 571/2 Nietzki showed that the same phenosafranine may be obtained (a) by condensing phenyl-m-phenylenediamine with phenyl-p-phenylenediamine, or (b) from diphenyl-m-phenylenediamine..and p-phenylenediamine.1970Amat. Photographer 11 Mar. 63/3 The phenosafranines and allied desensitising dyes are not suitable for papers as they stain badly.
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