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Reactive Blue 81

Name:C.I.Reactive Blue 81,C.I.18245

Molecular Structure: Single azo class

C.I.Reactive Blue 81,C.I.18245,CAS 75030-18-1,808.49,C25H14Cl2N7Na3O10S3,Brilliant Blue F2R,Blue CD-2R, Blue F-2R

C.I.Reactive Blue 81,C.I.18245,CAS 75030-18-1,808.49,C25H14Cl2N7Na3O10S3,Brilliant Blue F2R,Blue CD-2R, Blue F-2R

Molecular Formula:C25H14Cl2N7Na3O10S3

Molecular Weight: 808.49

CAS Registry Number:75030-18-1

Manufacturing Methods : 5-Amino-2-(phenylamino)benzenesulfonic acid diazo, and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acidcoupling, and then and 2,4,6-Trichloro-1,3,5-triazine condensation .

Properties and Applications: red light blue. Blue powder, in the water solubility is better. Used for cotton fabrics, polyamide, wool dyeing or fountain of rolling dyeing.

Standard(cellulose) Light Fastness Oxygen bleaching Persperation Fastness Soaping
Fading Stain Fading Stain Fading Stain
ISO 3-4 4-5

List of Suppliers:

Acticrom Brilliant Blue F2R ( Multicrom SA )

Begative Blue CD-2R ( PT Colorindo Aneka Chemicals )

Blue M2R (United Chemie)

Helaktyn Blue F-2R (Boruta – Kolor)

Jakofix Brilliant Blue C4R(jay Chemical Industries Ltd)

Kemaion Blue M2R( Karsandas Mavji )

Libactive Reactive Blue M2R ( Liberty Exports Ltd )

Polkative Blue PX-2R ( PT Polkrik Chemicals Co )

Vilmafix Blue 2R-A( Vilmax SA )


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