Preparation
p-Amino-N-cyclohexylacetanilide diazo, and ?4-Benzamido-5-hydroxynaphthalene-1,7-disulfonic acid?coupling.
Properties and Applications
red. Soluble in water for red orange, and adequate soluble in ethanol for orange. The strong sulfuric acid for cherry red, diluted into orange. In water solution to join strong hydrochloric acid have orange precipitation, add sodium hydroxide solution for orange brown.
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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
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3
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3
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2-3
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3
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3-4
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