Direct Yellow 24 化学特性,用途語,生産方法
製造方法
4-(4-Aminophenyl)benzenamine double nitriding, respectively with the 4-Aminobenzenesulfonic acid and 2-Hydroxybenzoic acid coupling.
Properties and Applications
dark red light yellow. Light yellow evenly powder. Soluble in water and ethanol for dark yellow, slightly soluble in acetone. The strong sulfuric acid for wine, diluted for yellow, and the emergence of yellow brown precipitation; In the dark of nitric acid for red yellow light. The dye solution to join strong hydrochloric acid for dark brown; Add thick sodium hydroxide solution for dark orange. Dye cellulose fiber, 75 ~ 80 ℃ affinity when the strongest, discharge performance in general. Dyeing cotton or viscose for red light yellow. Mainly used in viscose fabric, cotton knitted content, flannelette, blankets, viscose/nylon and viscose/silk blended fabric dyeing, not directly printing. Can also be used for paper shelves and leather color.
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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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3-4
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2-3
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1-2
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2
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2
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Direct Yellow 24 上流と下流の製品情報
原材料
準備製品