Preparation
2-Amino-4,6-dinitrophenol diazotization, and 2,4-Dimethylphenol?coupling.
Properties and Applications
red light brown. Soluble in hot water for yellow brown, soluble in ethanol. In concentrated sulfuric acid for brown, dilution have orange precipitation; In concentrated nitric acid for amber solution; In concentrated hydrochloric acid slightly soluble in for shallow peachblossom; In a dilute sodium hydroxide (temperature) solution for yellow brown
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Standard
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Ironing Fastness
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Light Fastness
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Fulling
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Persperation Fastness
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Soaping
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Water
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Alkali
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Acid
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ISO
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4
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3-4
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4
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4-5
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4
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5
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5
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