Disperse Blue SE-2R

Disperse Blue SE-2R

Textile Dyestuffs 

C.I.Disperse Blue 183

Molecular Structure: Single azo class

C.I.Disperse Blue 183,C.I.11078,CAS 2309-94-6,C20H21BrN6O3,473.32,Disperse Blue M-2R,Disperse Blue RSE,Disperse Blue SE-2R,Disperse Blue SE-2RL,Disperse Blue SE-5R

Disperse Blue M-2R

Disperse Blue RSE

Disperse Blue SE-2R

Disperse Blue SE-2RL

Molecular Formula:C20H21BrN6O3

Molecular Weight: 473.32

CAS Registry Number: 2309-94-6

Manufacturing Methods : 2-Cyano-4-nitro-6-bromoaniline diazo, and N-(3-(diethylamino)phenyl)propionamide coupling.

Properties and Applications: blue. Blue-black powder. Soluble in acetone, DMF. Used for polyester and their blended fabric dyeing, lifting force high, suitable for dyeing very deep colour and lustre, high temperature and high pressure method is suitable for the dye shallow, color, levelness and poor coverage. With the melt method dye, lifting force is high, used for polyester/cotton blended, can direct dyes and a bath dyeing of step. Suitable for polyester fiber dyeing and superfine of printing. In addition to the three vinegar fiber, is not suitable for dyeing other fiber, dye three vinegar fiber, dyeing rate is not high. Can be used for direct printing polyester fabric, light color can make discharge printing.

Standard Ironing Fastness Light Fastness Persperation Fastness Washing Fastness
Fading Stain Fading Stain Fading Stain
ISO 4-5 3-4 5-6 5 5 5 4-5


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