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.