Disperse Red S-F3B

Disperse Red S-F3B

Textile Dyestuffs 

C.I.Disperse Red 343

Molecular Structure: Single azo class

C.I.Disperse Red 343,CAS 99031-78-6,410.49,C20H22N6O2S,Disperse Red F3BS,Disperse Red SE-3B,Disperse Red SE-F3B,Terasil Red P-3BS


Disperse Red F3BS

Disperse Red SE-3B

Disperse Red SE-F3B

Molecular Formula:C20H22N6O2S

Molecular Weight: 410.49

CAS Registry Number: 99031-78-6

Manufacturing Methods : 2,6-Dichioro-4-nitroaniline diazo, and N-(3-(diethylamino)phenyl)methanesulfonamide coupling,and cyanide (cyano two bromine chlorine or two).

Properties and Applications: Brilliant blue light red.Dark red powder, insoluble in water. ‘s dyeing content is colourful red blue light, very bright color, hair color strength, high fastness performance is good, easy dyed dark. This article used in fine denier fiber dyeing, the strength of the dyes can reach 350 points.

Standard Ironing Fastness Light Fastness Persperation Fastness Washing Fastness
Fading Stain Fading Stain Fading Stain
ISO 4-5 3-4 6-7     4-5 5


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