| Hazard Information | Back Directory | [Preparation]
2-Amino-4,6-dinitrophenol diazotization, and 6-Hydroxynaphthalene-2-sulfonic acid coupling, with Sodium sulfide product will be one of the nitro reduction. | [Properties and Applications]
dark red light brown. Soluble in water for blue light red, slightly soluble in ethanol, Acetone and Cellosolve. In concentrated sulfuric acid for pink to red, dilution have orange precipitation; In concentrated nitric acid for pink, and then into orange. Dye aqueous solution to join concentrated hydrochloric acid for pink solution; Add 10% oxygen sodium oxide solution to red.
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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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AATCC
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5
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7
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4-5
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5
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5
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