Direct Yellow 48 化学特性,用途語,生産方法
製造方法
3,3′-Dimethylbenzidine double nitriding, and 2-Hydroxy-3-methylbenzoic acid (2 Moore) coupled.
Properties and Applications
red light yellow. Soluble in water for golden brown, and adequate soluble in alcohol. The strong sulfuric acid for purple, diluted for yellow olive. The dye solution to join strong hydrochloric acid for yellow olive, and have precipitation; Add thick sodium hydroxide solution for orange brown, have precipitation. Used for cellulose fiber dyeing, neutral and alkaline discharge is good.
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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2-3
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5
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1-2
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2
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Direct Yellow 48 上流と下流の製品情報
原材料
準備製品