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
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 aff…