医药化工产品

Other Name: Disperse Yellow H4GL, Disperse Brilliant Yellow H-4GL
Molecular Formula:C₁₃H₈Cl₂N₄O₂
Molecular Weight: 323.13
Manufacturing Methods : 2,5-Dichlorobenzenamine diazo, cyanogen ethyl amide and Ethyl 3-oxobutanoate condensation closed loop, with potassium hydroxide and ethanol salting-out, using hydrochloric acid acidification, product and heavy nitrides coupling.
Properties and Applications: brilliant yellow. Dark yellow powder. Mainly used for polyester and its blending mitigate things dyeing.

Standard	Ironing Fastness		Light Fastness	Persperation Fastness		Washing Fastness
Standard	Fading	Stain	Light Fastness	Fading	Stain	Fading	Stain
ISO	5	3-4	6-7	5	5	5	4-5

  .Remark: products patented are for R&D only and are permitted under 35 USC 271(e).
  .Patent products cannot be offered to the countries where patent law is in force.
   Final responsibility lies with the buyer exclusively.

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