医药化工产品

Other Name: Reactive Red 3BS,Reactive Red M-3BE,Reactive Red M-3BF,Reactive Red SP-3B,Reactive brilliant Red ME-3BS
Molecular Formula: C₃₁H₁₉ClN₇Na₅O₁₉S₆
Molecular Weight: 1136.32
Manufacturing Methods : 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acidand 2,4,6-Trichloro-1,3,5-triazine first condensation, and a second time between ester condensation, 2-Aminonaphthalene-1,5-disulfonic acid diazo, and the generation of condensation products coupled, then salting-out.
Properties and Applications: colourful red blue light. Brown powder. 50 ℃ when the solubility of dye is greater than 100g/L, light blue dye for red, dye bath containing iron ion, colored light slightly turned dark (category 4); Copper ions colored light turned purple turned dark. Mainly used for cellulose fabric dyeing, also can be used for cotton and viscose fiber printing.

Standard	Light Fastness	Oxygen bleaching		Persperation Fastness		Soaping
Standard	Light Fastness	Fading	Stain	Fading	Stain	Fading	Stain
ISO	5-6	4-5	5	4	4	4-5	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.
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