Preparation
N-(4-aminophenyl)-N-cyclohexylacetamide diazo, and 7-Hydroxynaphthalene-1,3-disulfonic acid coupling.
Properties and Applications
bright orange. Soluble in water and ethanol for gold orange. The strong sulfuric acid for gold in orange, diluted into gold. The aqueous solution of dye with strong hydrochloric acid for gold orange; Add thick sodium hydroxide solution for red light orange brown. Used for wool, silk fiber dyeing etc, also used in leather dyeing.
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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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4-5
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3-4
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3
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4-5
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1
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5
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4
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3
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AATCC
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5-6
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4
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4
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1
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4-5
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4-5
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![disodium 8-[[4-(acetylcyclohexylamino)phenyl]azo]-7-hydroxynaphthalene-1,3-disulphonate Structure](https://www.chemicalbook.com/CAS/GIF/5863-95-6.gif)