Name:C.I.Reactive Red 195
Molecular Structure: Single azo class
C.I.Reactive Red 195,CAS
93050-79-4,1136.32,C31H19ClN7Na5O19S6, 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
CAS Registry Number:93050-79-4
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 |
|||
Fading |
Stain |
Fading |
Stain |
Fading |
Stain |
||
ISO |
5-6 |
4-5 |
5 |
4 |
4 |
4-5 |
5 |