Reactive Red 2BN
Textile Dyestuffs
C.I.Reactive Red 194
Molecular Structure: Single azo class
Molecular Formula:C27H18ClN7Na4O16S5
Molecular Weight: 984.21
CAS Registry Number:23354-52-1/93051-42-4
Manufacturing Methods : the 2-Aminobenzenesulfonic acid diazo, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acidcoupling, and 2,4,6-Trichloro-1,3,5-triazine condensation, again with a between, 2-(3-Aminophenylsulfonyl)ethyl hydrogen sulfate condensation
Properties and Applications: colourful yellow red. Orange red powder. In the water solubility good (in 50 ℃ when solubility of 60 g/L), dyeing copper ions influence for grade 1; Iron ion influence for the level 4. Used for cotton fabrics, cellulose fiber dyeing, also can be used for the cellulose fibre direct printing.
| Standard | Light Fastness | Oxygen bleaching | Persperation Fastness | Soaping | |||
| Fading | Stain | Fading | Stain | Fading | Stain | ||
| ISO | 6 | 3-4 | 5 | 4-5 | 4-5 | 4-5 | 5 |