tetrasodium 3,3'-(carbonyldiimino)bis[6-[[1-hydroxy-6-(phenylamino)-3-sulphonato-2-naphthyl]azo]benzoate] химические свойства, назначение, производство
Подготовка
2-Amino-5-nitrobenzoic acid diazo, in alkaline conditions and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling, and then will the nitro reduction, and will get the amino nitrogen compounds for light accidentally gasification.
Свойства и приложения
dark purple. Soluble in water for red light purple, slightly soluble in alcohol. The strong sulfuric acid for blu-ray in red, for purple diluted. The dye solution to join strong hydrochloric acid for purple, have precipitation; Add thick sodium hydroxide solution for red light purple, have precipitation.
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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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5
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6
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4
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5
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tetrasodium 3,3'-(carbonyldiimino)bis[6-[[1-hydroxy-6-(phenylamino)-3-sulphonato-2-naphthyl]azo]benzoate] препаратная продукция и сырье
сырьё
препарат