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C.I. Direct red 42

 структура
6548-39-6
CAS №
6548-39-6
английское имя:
C.I. Direct red 42
Синонимы:
Direct Red 42;C.I. Direct red 42;C.I.Direct Red 42:C.I.22180;6-amino-5-[[4-[4-[(6-amino-1-oxido-3-sulfonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]naphthalene-1,3-disulfonate;1,3-Naphthalenedisulfonic acid, 6-amino-5-((4'-((6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-, trisodium salt
CBNumber:
CB72495113
Формула:
C32H21N6Na3O10S3
молекулярный вес:
814.70765
MOL File:
6548-39-6.mol

C.I. Direct red 42 атрибут

Система регистрации веществ EPA: C.I. Direct Red 42 (6548-39-6)

Заявления о рисках и безопасности

C.I. Direct red 42 химические свойства, назначение, производство

Подготовка

4-(4-Aminophenyl)benzenamine double nitriding, first and 6-Aminonaphthalene-1,3-disulfonic acid?coupling, and then in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.

Свойства и приложения

dark blue light red. Soluble in water for product red, slightly soluble in ethanol for shallow peachblossom. The strong sulfuric acid in blue, diluted for Shallow red time The dye solution to join strong hydrochloric acid for red light brown, have precipitation; Add thick sodium hydroxide solution for orange brown.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3 5 1 1 1-2

C.I. Direct red 42 препаратная продукция и сырье

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