Dynathrene dyes offer excellent fastness to washing, light and bleaching for cellulosic fiber.






Dynathrene


C.I. Vat


CAS NO.


Characteristics







Blue BC


Blue 6


130-20-1


Brilliant Blue, Also available for solubilised







Product Name: Vat Blue 6
Synonyms:Vat Blue BC; C.I. 69825; C.I. Vat Blue 6; Vat Blue 6; -;
7,16-dichloro-6,15-dihydrodinaphtho[2,3-a:2',3'-h]phenazine-5,9,14,18-tetrone;
C.I.Vat Blue 6; Pigment Blue 64; Indanthrene,7,16-dichloro- (6CI);
3,3'-Dichloroindanthrone
Molecular Formula:C28H12Cl2N2O4


Molecular Weight: 511.31
CAS NO.130-20-1


EINECS 204-980-2


Molecular Structure :






Properties and Applications: brilliant blue. Aquamarine blue powder. Slightly soluble in hot Chloroform, 2 Chlorophenol and hot Pyridine ; Insoluble in water, Acetone, Etanol and Toluene. Alkaline reduction leuco for green light yellow, acid reduction leuco for red light blue. In concentrated sulfuric acid for brown, dilution for blue. More sensitive to hard water. Mainly used in cotton fiber dyeing, easy excessive reduction and excessive oxidation, the dyeing speed, generally not used for printing. Used for silk dyeing, levelness and affinity are good. Used to stick/cotton blended fabric cold dyeing, uniform color. Also can be used for polyester/cotton two bath dyeing. Can also be processed into organic pigment.








Standard


Ironing Fastness


Chlorine bleach


Light Fastness


Mercerized


Oxygen bleach


Soaping




Fading


Stain




ISO


5


3-4


7-8


4


4-5


4-5


5




AATCC


5


3-4


7-8


4


4-5








--LYY



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