Preparation
4-(6-Methyl-2,3-dihydrobenzo[d]thiazol-2-yl)benzenamine diazo, and 4-Hydroxynaphthalene-2,7-disulfonic acid (and 1-Naphthol-3,7-disulfonic acid) coupled.
Properties and Applications
bright blue light pink. Soluble in water for pink, and adequate soluble in alcohol in red. The strong sulfuric acid to red light purple, for orange red after diluted. The dye solution to join strong hydrochloric acid for orange brown; Add thick oxidation solution have red light brown hydrogen precipitation.
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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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4
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3
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1
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1-2
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