Direct Blue 45 化学特性,用途語,生産方法
製造方法
3,3′-Dimethoxylbenzidine double nitriding, first and 7-Hydroxynaphthalene-1-sulfonic acid, and then in three alkaline conditions and 4-Amino-5-hydroxynaphthalene-1-sulfonic acid coupling.
Properties and Applications
dark blue. Soluble in water for hidden cyan, soluble in ethanol for purple. The strong sulfuric acid for green light blue, blue for red after diluted. The dye solution to join strong hydrochloric acid as dark blue; Add thick sodium hydroxide solution for purple.
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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5
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4
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1
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4
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2-3
|
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AATCC
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4-5
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4-5
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2
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2-3
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2-3
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Direct Blue 45 上流と下流の製品情報
原材料
準備製品