Кислотный Черный 241 химические свойства, назначение, производство
Подготовка
4-Nitrobenzenamine diazo, in acid conditions coupled with 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid, N-(4-aminophenyl)acetamide?diazo, in alkaline conditions and the above the products of coupling, hydrolysis acetyl groups, again diazo,and Benzene-1,3-diamine coupled .
Свойства и приложения
black. Mainly used for leather color.
Standard(leather)
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Light Fastness
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Soaping
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Persperation Fastness(Alkali)
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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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3-4
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4-5
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2-3
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Кислотный Черный 241 препаратная продукция и сырье
сырьё
препарат