Preparation
3-Aminobenzoic acid?diazo, and O-Anisidine coupling, and then in a dilute sodium hydroxide solution in medium heat, remove a sulfonic acid.
Properties and Applications
yellow. Soluble in water, ethanol, acetone, slightly soluble in benzene. The strong sulfuric acid for yellow orange, to orange diluted. In water solution to join rare for yellow sodium hydroxide solution.
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Standard(Vinegar fiber)
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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
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3
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