2,6-Naphthalenedisulfonic acid, 4-hydroxy-3-[(2-methoxy-5-methylphenyl)azo]-, disodium salt химические свойства, назначение, производство
Подготовка
2-Amino-4-methylanisole diazo, and 1-Naphthol-3,7-disulfonic acid?coupling
Свойства и приложения
red. Soluble in water for product red, and adequate soluble in alcohol in red. The strong sulfuric acid for purple, diluted red for quality. In aqueous solution to join strong hydrochloric acid for product red; Add sodium hydroxide into a brown.
Standard
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Light Fastness
|
Soaping
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Persperation Fastness
|
Oxygen bleaching
|
Fastness to seawater
|
Fading
|
Stain
|
Fading
|
Stain
|
Fading
|
Stain
|
ISO
|
4
|
4
|
3
|
2-3
|
1
|
|
2-3
|
|
2,6-Naphthalenedisulfonic acid, 4-hydroxy-3-[(2-methoxy-5-methylphenyl)azo]-, disodium salt препаратная продукция и сырье
сырьё
препарат