Direct Brown 146 化学特性,用途語,生産方法
製造方法
N,N’-bis(3-aminophenyl)urea double nitriding, first and 2,4-Diaminobenzenesulfonic acid coupling, again with Benzene-1,3-diamine coupling.
Properties and Applications
brown. For yellow brown soluble in water, soluble in ethanol olive yellow light brown. The strong sulfuric acid in red orange for brown, diluted yellow brown to orange for brown. The dye solution to join strong hydrochloric acid for brown, have precipitation; Add thick sodium hydroxide solution with olives brown precipitation.
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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2
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5
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1
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3
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3
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Direct Brown 146 上流と下流の製品情報
原材料
準備製品