Preparation
4-Aminobenzenesulfonic acid?diazo, in acid conditions coupled with 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid, ?and 2,4-Diaminobenzenesulfonic acid the 2,4,6-Trichloro-1,3,5-triazine?condensation, again with a between, 2-(4-Aminophenylsulfonyl)ethyl hydrogen sulfate?condensation, again diazo, coupled with single accidentally nitrogen compounds.
Properties and Applications
navy blue. Dark powder. Soluble in water, 50 ℃ in the solubility of 80 g/L. The high temperature stability is fine, the acid stability is good.?Mainly used for cotton, viscose fiber dyeing, suitable for exhaust dyeing method, also applies to hemp, silk dyeing, also suitable for discharge printing.
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Standard
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Light Fastness
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Oxygen bleaching
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Persperation Fastness
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Soaping
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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
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3-4
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4-5
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4
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4
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5
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4
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