3-[(2,4-ジヒドロキシフェニル)アゾ]-4-ヒドロキシベンゼンスルホン酸ナトリウム

3-[(2,4-ジヒドロキシフェニル)アゾ]-4-ヒドロキシベンゼンスルホン酸ナトリウム 化学特性,用途語,生産方法

• 製造方法

  3-Amino-4-hydroxybenzenesulfonic acid diazotization, and Resorcinol coupling.

• 純化方法

  Purify the dye by precipitating the free acid from aqueous solution using concentrated HCl, then wash it and extract it with EtOH in a Soxhlet extractor. Evaporation of the EtOH leaves the purified acid which is converted to the sodium salt.

• Properties and Applications

  dark red to bordeaux. Soluble in water for orange to brown light orange, slightly soluble in ethanol for yellow orange, soluble in Acetone. In concentrated sulfuric acid to red light yellow, dilute color shallow; In concentrated nitric acid for orange brown solution.
  

  Standard	Ironing Fastness	Light Fastness	Fulling		Persperation Fastness	Soaping	Water
  			Alkali	Acid
  ISO	2-3	5	3-4	3	4	4	5
  AATCC	4-5	5	4-5		4-5	4-5	5

3-[(2,4-ジヒドロキシフェニル)アゾ]-4-ヒドロキシベンゼンスルホン酸ナトリウム 上流と下流の製品情報

3-[(2,4-ジヒドロキシフェニル)アゾ]-4-ヒドロキシベンゼンスルホン酸ナトリウム 生産企業

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3564-26-9, 3-[(2,4-ジヒドロキシフェニル)アゾ]-4-ヒドロキシベンゼンスルホン酸ナトリウム キーワード