모단트레드5

모단트레드5 화학적 특성, 용도, 생산

• 제조 방법

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

• Purification Methods

  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

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