Preparation
2-Aminobenzenesulfonic acid diazo, and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling, and then and 2,4,6-Trichloro-1,3,5-triazine condensation, again with aniline condensation.
Properties and Applications
colourful red blue light. With the red powder blue. Have very good solubility in water.
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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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4 (Light blue)
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4-5
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4(blue)(5*100℃)
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4-5
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