Direct Green 55 化学特性,用途語,生産方法
製造方法
4-Nitrobenzenamine diazo, in acid conditions and 4-Amino-5-hydroxynaphthalene-1,7-disulfonic acid matches, will the nitro reduction, and then will get the amino nitrogen compounds for light accidentally gasification.
Properties and Applications
dark green light blue. Soluble in water for dark blue light red, hardly soluble in alcohol. The strong sulfuric acid for hidden cyan, diluted green light for blue. The dye solution to join strong hydrochloric acid for hidden cyan, have precipitation; Add thick sodium hydroxide solution for red light 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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AATCC
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3
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5
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4
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2-3
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3-4
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Direct Green 55 上流と下流の製品情報
原材料
準備製品