4-[(4-Amino-2-chloro-5-methoxyphenyl)azo]-2-ethoxy-2'-hydroxy-[1,1'-azobisnaphthalene]-6,6'-disulfonic acid disodium salt химические свойства, назначение, производство
Подготовка
2′-Methoxy-4′-amino-5′-chlorooxanilic acid diazo, and 5-Amino-7-ehtoxy-2-naphthalenesulfonic acid coupling, product to diazo, and 6-Hydroxynaphthalene-2-sulfonic acid coupling, and then 2-(4-Aminophenylamino)-2-oxoacetic acid hydrolysis base.
Свойства и приложения
blue. Soluble in water for hidden cyan, soluble in ethanol to blue. The strong sulfuric acid in the dark for, for the red light purple diluted. The dye solution to join strong hydrochloric acid for red light purple, have precipitation; With strong sodium hydroxide solution for purple, have precipitation.
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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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4-5
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4
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4
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4-5
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4-[(4-Amino-2-chloro-5-methoxyphenyl)azo]-2-ethoxy-2'-hydroxy-[1,1'-azobisnaphthalene]-6,6'-disulfonic acid disodium salt препаратная продукция и сырье
сырьё
препарат