Preparation
2-[2-Amino-5-[4-amino-3-(carboxymethoxy)phenyl]-phenoxy]acetic acid double nitriding, first and 7-Benzamido-4-hydroxynaphthalene-2-sulfonic acid coupling, and then and 6-(2,4-Dimethoxyanilino)-1-naphthol-3-sulfonic acid?coupling.
Properties and Applications
navy blue. Soluble in water as dark blue, slightly soluble in alcohol. In the strong sulfuric acid as dark blue, for purple diluted. The dye solution to join strong hydrochloric acid for dark, precipitation; Add thick dark for sodium hydroxide solution, 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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AATCC
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3-4
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4
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6-7
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4
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4-5
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