Preparation
2,5-Dichlorobenzenamine diazo, cyanogen ethyl amide and Ethyl 3-oxobutanoate condensation closed loop, with potassium hydroxide and ethanol salting-out, using hydrochloric acid acidification, product and heavy nitrides coupling.
Properties and Applications
brilliant yellow. Dark yellow powder. Mainly used for polyester and its blending mitigate things dyeing.
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Standard
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Ironing Fastness
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Light Fastness
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Persperation Fastness
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Washing Fastness
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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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5
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3-4
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6-7
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5
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5
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5
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4-5
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