Reactive Brill-Blue R

Reactive Brill-Blue R


Textile Dyestuffs 

C.I.Reactive Blue 19

Molecular Structure: anthraquinones

C.I.Reactive Blue 19,C.I.61200,CAS 2580-78-1,626.55,C22H16N2Na2O11S3,Reactive Blue KN-R,Reactive Blue KN-RS,Reactive Blue brilliant KN-R,Reactive Blue brilliant KN-RS

Reactive Blue KN-R

Reactive Blue KN-RS

Reactive Blue brilliant KN-R

Reactive Blue brilliant KN-RS

Molecular Formula:C22H16N2Na2O11S3

Molecular Weight: 626.55

CAS Registry Number:2580-78-1

Manufacturing Methods : 1-Amino-4-bromo-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid and 2-(3-Aminophenylsulfonyl)ethyl hydrogen sulfate condensation, refined, and then salting-out.

Properties and Applications: bright blue. Blue powder, the strong sulfuric acid solution for red sauce, after diluted navy precipitation; In the nitric acid is yellow, diluted still yellow in color. Water solution is blue, with 1 Moore sodium hydroxide solution colored light unchanged, continue to join insurance powder and warm red brown have precipitation; Add a boric acid sodium into shallow purple. 20 ℃ in the more than 150 g/L solubility. After dyeing color shade of blue for colourful, meet iron and copper ions colored light basic unchanged (level 5). The dye the affine high, the reaction of the high, 1/1 of the depth of the standard for 2 levels of white. Used for cotton, viscose fiber disseminated, roll dye, knot dyeing piled up, Continuous pad staining

Standard  Light Fastness Oxygen bleaching Persperation Fastness Soaping
Fading Stain Fading Stain Fading Stain
ISO 7     4-5 5 4-5(75℃) 5



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