dye|World dye variety

Name:C.I.Reactive Blue 250

Molecular Structure: Azo class

C.I.Reactive Blue 250,CAS 93951-21-4,1021.84,C27H23N5Na4O20S6,Reactive Blue RGB

Molecular Formula:C₂₇H₂₃N₅Na₄O₂₀S₆

Molecular Weight: 1021.84

CAS Registry Number:93951-21-4

Manufacturing Methods : 2-(3-Amino-4-methoxyphenylsulfonyl)ethyl hydrogen sulfate and 2-(4-Aminophenylsulfonyl)ethyl hydrogen sulfate diazo, respectively in alkaline and acid conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid coupling.

Properties and Applications: navy blue.

List of Suppliers:

Reactive Blue RGB Hubei Hwalle Dyestuff Industry Co.,Ltd.

Akreact Blue RGB(Aakash Chemicals & Dyestuffs Inc)

Mohizol Navy Blue RGB( Astik Dyestuff Pvt Ltd )

Reactive Navy RGB (Aakash Chemicals & Dyestuffs Inc)

Reactofix Supra Navy Blue HRGBL ( Jaysynth Dyechem Ltd )

Reactron Navy Blue RGB (Amar Dye Chem Ltd)

Rite Reactive NavyRGB( Rite Industries Inc. )