Specification :

CAS NO.: 2580-78-1
molecular formula C22H16N2Na2O11S3

ALSO name:
2-anthracenesulfonicacid,
1-amino-9, 10-dihydro-4-( m-( ( 2-hydroxyethyl) su lfonyl) ;
2-anthracenesulfonicacid, 1-amino-9, 10-dihydro-9, 10-dioxo-4-( ( 3-( ( 2- ( sulfooxy) ;
2-anthracenesulfonicacid, 1-amino-9, 10-dihydro-9, 10-dioxo-4-[ [ 3-[ [ 2-( sulfooxy) ;
anilino) -9, 10-dioxo-, hydrogensulfate( ester) , disodiumsalt;
ani lino-9, 10-dioxo-, hydrogensulfate( ester) , disodiumsalt;
C.I.Reactiveblue19; C.I .ReactiveBlue19( 61200) ;
c.i.reactiveblue19, disodiumsalt
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DANKONGFIX BRILLIANT BLUE KN-R, C.I. Reactive Blue 19, is a very important reactive dye containing vinyl sulfone reactive group and is for suitable dyeing cotton and rayon giving brilliant shade, good fastnesses, as well as good reproducibility by varied dyeing methods. As a company to produce reactive dyes, ZHENGGANG DYESUFF CO., LTD. can offer a range of more than 30 reactive dyes, DANKONGFIX BRILLIANT BLUE KN-R is the largest commercial C.I. Reactive Blue 19 producton with high quality in the world. A series of DANKONGFIX BRILLIANT BLUE KN-R dyes are manufactured by ZHENGGANG DYESTUFF CO., LTD. to satisfy the various demands of customers.

A.Reactive Blue KN-R( normal type) can be used to cotton and viscose fiber dyeing, and exharstion dyeing for protein fabrics in low or medium(
4% ) with good shade depth, affinity and leveling property, bright shade and high light fastness. Therefore, it has a high cost performance.

B.Reactive Blue KN-R( HG)
Reactive Blue KN-R( HG) is the improved product of Reactive Blue KN-R. Especially, it gives a good levelness and higher build-up performance in the deep depth dyeing and suitable for higher leveling dyeing, such as cheese dyeing, clothing dyeing, etc.

C.Reactive Blue KN-R( SR)
Reactive Blue KN-R( SR) is the modified product based on Reactive blue KN-R ( HG) which would enhance either good build-up performance or improve saline-alkali tolerance, and shows good dying levelness in deep dyeing. It can also be used in cold pad-batch dyeing and continuous dyeing under appropriate conditions.

D.Reactive Blue KN-R( SP)
Reactive Blue KN-R( SP) provides excellent saline-alkali tolerance performance. It is suitable for continuous dyeing and cold pad-batch dyeing. .