2-Naphthalenesulfonic acid, 6-[[2-amino-4-[(2-hydroxyethyl)amino]phenyl]azo]-3-[[4-[[4-amino-6(or 7)-sulfo-1-naphthalenyl]azo]phenyl]azo]-4-hydroxy-, disodium salt химические свойства, назначение, производство
Подготовка
N-(4-aminophenyl)acetamide diazo, and 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid, amino, acylation coupled hydrolysis again diazo, in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid?, its product to three diazo, and 2-(3-Aminophenylamino)ethanol?coupling.
Свойства и приложения
black. Blue gray powder, soluble in water for violet black, soluble in ethanol and soluble fiber element. The strong sulfuric acid in blue, diluted red for purple; In nitric acid for brown in the light purple. The dye solution to join strong hydrochloric acid for red light purple; Add thick sodium hydroxide solution for purplish red color. Mainly used for dyeing cotton and glue, can also be used for leather and pulp dyeing.
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Standard
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Acid Resistance
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Alkali Resistance
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Light Fastness
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Soaping
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Water
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Fading
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Stain
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Fading
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Stain
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ISO
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4
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4
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3
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3
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4
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2-Naphthalenesulfonic acid, 6-[[2-amino-4-[(2-hydroxyethyl)amino]phenyl]azo]-3-[[4-[[4-amino-6(or 7)-sulfo-1-naphthalenyl]azo]phenyl]azo]-4-hydroxy-, disodium salt препаратная продукция и сырье
сырьё
препарат