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Direct red 194 (C.I. 35785)

 структура
6471-41-6
CAS №
6471-41-6
английское имя:
Direct red 194 (C.I. 35785)
Синонимы:
C.I.35785;Direct Red 194;Solex Bordeaux;C.I.Direct Red 194;Direct red 194 (C.I. 35785);C.I.Direct Red 194:C.I.35785;7,7'-Ureylenebis[3-[[4-[(2,4-dichloro-6-sodiosulfophenyl)azo]-3-methylphenyl]azo]-4-hydroxynaphthalene-2-sulfonic acid sodium] salt
CBNumber:
CB31485687
Формула:
C47H28Cl4N10Na4O15S4
молекулярный вес:
1334.8143
MOL File:
6471-41-6.mol

Direct red 194 (C.I. 35785) атрибут

Заявления о рисках и безопасности

Direct red 194 (C.I. 35785) химические свойства, назначение, производство

Подготовка

2-Amino-3,5-dichlorobenzenesulfonic acid diazo, and m-Toluidine?coupling, and then a sulfonic acid hydrolysis off base, its product (2 Moore) diazo, coupled with N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea.

Свойства и приложения

yellow light red. Soluble in water for blue-ray red, slightly soluble in alcohol. The strong sulfuric acid for blue, purple red after diluted. The dye solution to join strong hydrochloric acid for dark purple, have precipitation; Add thick sodium hydroxide solution for purplish red color, have precipitation.

Direct red 194 (C.I. 35785) препаратная продукция и сырье

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