Preparation
4-(4-Amino-2-methylphenyl)-3-methylbenzenamine double nitriding, respectively with the 4-Hydroxynaphthalene-2,7-disulfonic acid and 3-Oxo-N-phenylbutanamide coupling.
Properties and Applications
colourful red yellow light. Soluble in water for red, soluble in ethanol for orange. The strong sulfuric acid for cherry red; After diluted to orange. In water solution to join strong hydrochloric acid for red, add thick sodium hydroxide solution for yellow light brown.
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
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3-4
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3
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3-4
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4
|
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4-5
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