5-Chloro-4-hydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-3,3'-dimethoxy-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt химические свойства, назначение, производство
Подготовка
3,3′-Dimethoxylbenzidine double nitriding, first with 8-Chloro-1-naphthol-3,6-disulfonic acid?coupled, again with 4-Hydroxynaphthalene-1-sulfonic acid coupling.
Свойства и приложения
blue. Soluble in water for purple, slightly soluble in alcohol. The strong sulfuric acid for blue-ray green and purple, for the red light purple diluted. The dye solution to join strong hydrochloric acid for purple, have precipitation; Add thick sodium hydroxide solution into a red light purple.
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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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4-5
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3
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2
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1-2
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1-2
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5-Chloro-4-hydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-3,3'-dimethoxy-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt препаратная продукция и сырье
сырьё
препарат