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Reactive Blue 250(CAS 93951-21-4)

Reactive Blue 250

Name:C.I.Reactive Blue 250

Molecular Structure: Azo clas

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



 

 

 

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