Name:C.I.Reactive
Blue 194
Molecular Structure: Double azo class
C.I.Reactive Blue 194,CAS
93050-78-3,1205.38,C33H22ClN10Na5O19S6,Reactive Blue B-2GLN,Reactive Blue
M-2GE,Reactive Blue M-2GF,Reactive Blue M-2GR,Reactive Blue M-2GE
Molecular Formula:C33H22ClN10Na5O19S6
Molecular Weight: 1205.38
CAS Registry Number: 93050-78-3
Manufacturing Methods : 4-Aminobenzenesulfonic acid diazo, in acid conditions coupled with 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid, and 2,4-Diaminobenzenesulfonic acid the 2,4,6-Trichloro-1,3,5-triazine condensation, again with a between, 2-(4-Aminophenylsulfonyl)ethyl hydrogen sulfate condensation, again diazo, coupled with
single accidentally nitrogen compounds.
Properties and Applications: navy blue. Dark powder. Soluble in water, 50 ℃ in the solubility of 80 g/L. The high
temperature stability is fine, the acid stability is good. Mainly used for cotton, viscose fiber
dyeing, suitable for exhaust dyeing method, also applies to hemp, silk dyeing,
also suitable for discharge printing.
Standard |
Light Fastness |
Oxygen bleaching |
Persperation Fastness |
Soaping |
|||
Fading |
Stain |
Fading |
Stain |
Fading |
Stain |
||
ISO |
5 |
3-4 |
4-5 |
4 |
4 |
5 |
4 |