Reactive Tq Blue G

Reactive Tq Blue G


Textile Dyestuffs 

C.I.Reactive Blue 21

Molecular Structure: Phthalocyanine class

C.I.Reactive Blue 21,CAS 12236-86-1/73049-92-0,Reactive Turquoise Blue KN-G,Reactive Blue KN-G


Reactive Turquoise Blue KN-G

Molecular Formula:

Molecular Weight:

CAS Registry Number:12236-86-1/73049-92-0

Manufacturing Methods : Copper phthalocyanine use chlorosulfonic and chlorinated and sulfones chlorosulfonated, and registration, 2-(4-Aminophenylsulfonyl)ethyl hydrogen sulfate condensation.

Properties and Applications: colourful green light blue. Blue powder. The strong sulfuric acid in blue, diluted for blue still; In nitric acid for green, diluted into a green light. Water solution is blue lake, add 1 Moore sodium hydroxide solution is still lake blue; Continue to join insurance powder and warm, into purple; Add a boric acid sodium return to a lake blue, colour and lustre is a little shallow. Used for cotton, linen, silk, polyamide fiber of knot dyeing and roll dye, also can be used in viscose fabric printing.

Standard Light Fastness Oxygen bleaching Persperation Fastness Soaping
Fading Stain Fading Stain Fading Stain
ISO 6     5 4-5 4(75℃) 4



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