6-ヒドロキシ-5-[[2-ヒドロキシ-3-[(2-ヒドロキシ-1-ナフチル)アゾ]-5-スルホフェニル]アゾ]-2-ナフタレンスルホン酸二ナトリウム 化学特性,用途語,生産方法
製造方法
3,5-Diamino-4-hydroxybenzenesulfonic acid double nitrogen, add Sodium hydroxide make show weak alkaline, in order to make molecules of chlorine is hydroxyl replaced, then first and 6-Hydroxynaphthalene-2-sulfonic acid coupling, again with Naphthalen-2-ol coupling.
Properties and Applications
blue black. Soluble in water for purple to Copenhagen blue, slightly soluble in ethanol for dark purple, not soluble in Acetone. In concentrated sulfuric acid to deep purple, dilution after brown light orange. Dye aqueous solution to join concentrated hydrochloric acid to brown light orange, Join concentrated sodium hydroxide solution for purple.
Standard
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Ironing Fastness
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Light Fastness
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Fulling
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Persperation Fastness
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Soaping
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Water
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Alkali
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Acid
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ISO
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5
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7
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5
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4-5
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4
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5
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5
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6-ヒドロキシ-5-[[2-ヒドロキシ-3-[(2-ヒドロキシ-1-ナフチル)アゾ]-5-スルホフェニル]アゾ]-2-ナフタレンスルホン酸二ナトリウム 上流と下流の製品情報
原材料
準備製品