Preparation
4-(4-Aminophenyl)benzenamine double nitriding, and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acidin acid conditions coupled; 2-Aminobenzenesulfonic acid diazo, in alkaline conditions to the above the products with coupling, and then in alkaline conditions and N-(3-hydroxyphenyl)-2-methyl-anilinecoupling.
Properties and Applications
black. Black powder, unfavorable discharge. Used for wool, silk dyeing and printing, also can be used for leather color.
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Standard
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Light Fastness
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Soaping
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Persperation Fastness
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Oxygen bleaching
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Fastness to seawater
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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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3
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3-4
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4-5
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4-5
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4-5
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3
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3-4
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