Reactive Blue 250
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.
| Standard | Light Fastness | Oxygen bleaching | Persperation Fastness | Soaping | |||
| Fading | Stain | Fading | Stain | Fading | Stain | ||
| ISO | 3-4 | 4-5(Acid)5 | 4-5(Alkali)5 | ||||
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. )
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