Hazard Information | Back Directory | [Preparation]
5-Amino-2-hydroxybenzoic acid diazotization,and where did 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid coupling, and its product (2 Moore) diazotization, and Benzene-1,3-diamine coupling. | [Properties and Applications]
brown. Soluble in water, soluble in ethanol. In concentrated sulfuric acid for the faint blue, blue precipitation after dilution. Dye aqueous solution to join concentrated hydrochloric acid blue precipitation; Join concentrated sodium hydroxide solution have precipitation.
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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3-4
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5
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4
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5
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2-3
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2
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