Preparation
3-Aminobenzenesulfonamide diazo, and 4-Chloro-3-(3-methyl-5-oxo4,5-dihydropyrazol-1-yl)benzenesulfonic acidcoupling.
Properties and Applications
yellow. Soluble in water for yellow, cooling solution is to mix, soluble in ethanol and acetone, insoluble in toluene. The strong sulfuric acid for yellow, diluted no precipitation. In the rare hydrochloric acid in aqueous solution to color; Join rare sodium hydroxide solution discoloration. Used for wool, silk, vinegar and polyamide fiber dyeing. But in the wool and silk printing directly on, also can used for leather color.
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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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6-7
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2
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4-5
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4
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1
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1
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4
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AATCC
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5-6
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4-5
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4-5
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4-5
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4
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