Mordant Black 74 化学特性,用途語,生産方法
製造方法
8-Amino-4-hydroxynaphthalene-2-sulfonic acid diazotization, and 8-Aminonaphthalene-2-sulfonic acid coupling, product to diazotization, in alkaline condition and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.
Properties and Applications
blue black (dichromate treatment). Soluble in water for purple black, not soluble in ethanol. In concentrated sulfuric acid to green light blue, dilution after red light blue. Dye aqueous solution to join concentrated hydrochloric acid have red light blue precipitation; Join concentrated sodium hydroxide solution for red light blue, precipitation.
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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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4
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6-7
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4-5
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5
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4-5
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5
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Mordant Black 74 上流と下流の製品情報
原材料
準備製品