Preparation
5-Amino-1H-1,2,4-triazole-3-carboxylic acid diazo, in acid conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling, its product (2 Moore) and double nitriding of 3,3′-Dimethoxylbenzidine coupling.
Properties and Applications
navy blue. Soluble in water for the navy, slightly soluble in alcohol. The strong sulfuric acid for blue-ray green, diluted dark for. The dye solution to join strong hydrochloric acid for navy, precipitation; Add thick sodium hydroxide solution for dark purple.
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Standard
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Acid Resistance
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Alkali Resistance
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Light Fastness
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Soaping
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Water
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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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3
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4
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6-7
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4
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4
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