: 6-Aminonaphthalene-2-sulfonic acid diazotization, and 2-Hydroxybenzoic acid coupling.
dark yellow. Soluble in water for yellow, slightly soluble in Etanol and Acetone, insoluble in Benzene. In concentrated sulfuric acid for brown light orange, dilution after red yellow; In concentrated nitric acid to orange. Dye aqueous solution to join concentrated hydrochloric acid for olive yellow; Join concentrated Sodium hydroxide solution for golden orange
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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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4-5
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4
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2
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4
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4
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5
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AATCC
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4
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4-5
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4-5
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3-4
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4-5
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5
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