Uses
Reactive Violet 5 is an azo textile dye used in the textile and fabrics and paper-printing industries.
Preparation
2-(4-Aminophenylsulfonyl)ethyl hydrogen sulfate diazo, and 4-Aminonaphthalene-1-sulfonic acid coupling, and copper sulfate, sodium acetate and hydrogen peroxide oxidation, complex, then salting-out.
Properties and Applications
purple. Purple, brown powder, soluble in water. Used for cotton, silk and linen dyeing and printing, also suitable for discharge printing.
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Standard
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Light Fastness
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Oxygen bleaching
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Persperation Fastness
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Soaping
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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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4-5
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5
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4-5(75℃)
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5
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