Preparation
4-(6-Methyl-2,3-dihydrobenzo[d]thiazol-2-yl)benzenamine diazo, and 8-Ethoxy-1-naphthol-3,6-disulfonic acid?coupling.
Properties and Applications
blue light pink. Soluble in water for product red, and adequate soluble in alcohol. The strong sulfuric acid for blue, shallow orange for diluted. The dye solution to join strong hydrochloric acid for orange; Add thick sodium hydroxide solution for 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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3
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5
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2
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1
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1
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