Preparation
(a) 1,5-Dihydroxyanthracene-9,10-dione?stlfonation, again nitrification generated two sulfonic acid, then use the method reduction; (b) use sodium hydrogen sulfite deal with 1,5-Dihydroxy-2,6-dichloro-4,8-dinitroanthraquinone?or?1,5-dihydroxy-2,6-dichloro-4,8-dinitro anthraquinone;(C) in the presence of copper with ammonia processing 2,4,6,8-Tetrabromo-1,5-dihydroxyanthracene-9,10-dione or 1,5-dihydroxy-4,8-dichloro-anthraquinone-2,6-disulfonic acid.
Properties and Applications
blue. The appearance is blue powder, soluble in water, slightly soluble in ethanol, soluble fiber element, insoluble in acetone, benzene, carbon tetrachloride. The strong sulfuric acid dyes for olive yellow, blue purple to dilute. White sex differences, dyeing copper ions in dark colored light hair, dark colored light iron ion in red. This product used for wool, silk, wool blended fabric, paper, leather, soap and cosmetics shading, its heavy metal salt can be used as organic pigment ink. This product has high in dyeing move color sex and good permeability.
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Standard
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Light Fastness
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Soaping
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Persperation Fastness
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Oxygen bleaching
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Fastness to seawater
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Fading
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Stain
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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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5-6
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2
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3-4
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2-3
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1-2
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1-2
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2
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1-2
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AATCC
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4
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1-2
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1-2
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2
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1
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1
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2-3
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2-3
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