Vat Blue 14

Preparation

Blue anthrone with sulfuryl chloride chlorination.

Properties and Applications

brilliant blue. Dark blue powder. Insoluble in water, Acetone, Etanol and Toluene, soluble in 2 – Chlorophenol, slightly soluble in Chloroform and Pyridine . Alkaline reduction leuco for blue, acid reduction leuco for red light blue. In concentrated sulfuric acid for yellow brown, dilution for blue. More sensitive to hard water. Mainly used in yarn dyeing, also used for cotton of jig dyeing and suspension milk dyed. Can direct printing, color resist printing. Of silk dyeing affinity medium, dye stick/cotton, Peacekeeping/cotton all can obtain good results, but also can be processed to be oil paint.