Direct Green 22 化学特性,用途語,生産方法
製造方法
4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, And then with 8-Aminonaphthalene-2-sulfonic acid coupling, its product to diazo, and 4,5Dihydroxynaphthalene-1-sulfonic acid ?coupling.
Properties and Applications
dark green to olive green. Soluble in water for olive green, and adequate soluble in ethanol for green light. The strong sulfuric acid for violet black, diluted for Light gray Light green. The dye solution to join strong hydrochloric acid for olive; Add thick sodium hydroxide solution for olive brown.
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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3-4
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3
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3
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1-2
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2-3
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Direct Green 22 上流と下流の製品情報
原材料
準備製品