Reactive Blue 222

Preparation

2-Aminonaphthalene-1,5-disulfonic acid diazo, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling,2,4-Diaminobenzenesulfonic acid with 2,4,6-Trichloro-1,3,5-triazine, again with a between, 2-(3-Aminophenylsulfonyl)ethyl hydrogen sulfate condensation, condensation products diazo, coupled with the foregoing income product matches.

Properties and Applications

navy blue. Dark blue powder. Soluble in water, 50 ℃ when solubility of 80 g/L. Used for cotton, viscose fiber Exhaust dyeing method, pad staining, can be used for polyester/cotton, polyester/stick blended fabric dyeing, can also be used for the linen and silk dyeing. Suitable for the cellulose fibre printing, including discharge printing, dyeing performance than the C.I.Reactive Blue 194.