Reactive Yellow 25
Name:C.I.Reactive Yellow 25,C.I.191755
Molecular Structure: Single azo class
Molecular Formula:C26H14Cl2N7Na3O10S2
Molecular Weight: 788.44
CAS Registry Number:12226-52-7/72139-14-1
Manufacturing Methods : 2,4-Diaminobenzenesulfonic acid diazo, and 1-(2-methyl-4-sulfophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid coupling, again with 2,3-Dichloroquinoxaline-6-carbonyl chloride condensation.
Properties and Applications: brilliant yellow. Light yellow evenly powder, 25 ℃ in when more than 100 g/L solubility. After dyeing for bright yellow, dye bath containing iron ion make a turn red light and turn a little shallow; Meet copper ions turned dark. The neutral and alkaline white are A level. Apply to the cellulose fiber dyeing and printing, especially suitable to discharge printing.
Standard | Light Fastness | Oxygen bleaching | Persperation Fastness | Soaping | |||
Fading | Stain | Fading | Stain | Fading | Stain | ||
ISO | 7 | 3-4 | 5 | 5 | 5 | 5 | 5 |
List of Suppliers:
Drimarene Brill. Yellow R/K 3GL(Classic Dyestuffs Inc)
Levafix Brill. Yellow E3G (Classic Dyestuffs Inc)
Levafix Brill. Yellow E3G MACRO(Classic Dyestuffs Inc)
Levafix Brilliant Yellow E-3G( Bayer Group )
Rite Reactive Yellow E3G(Classic Dyestuffs Inc)
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