Preparation
mordanting gallocyanine?(C.I. Mordant Blue 10, C.I. 51050; by excessive N,N-dimethyl-4-nitrosobenzenamine and acid Methanol in the reaction (in ethanol in reaction incomplete) and) and 6-Hydroxynaphthalene-2-sulfonic acid condensation, then oxidation.
Properties and Applications
blue. Soluble in water is blue. In concentrated sulfuric acid for blue, after dilution is purple, and a purple precipitation. Dye aqueous solution to join concentrated hydrochloric acid red precipitation; Join concentrated sodium hydroxide solution for purple.
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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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AATCC
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Moderate
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Moderate
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Moderate
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