C.I.NO: Direct Blue 86

Alias: C.I. 74180; C.I. Acid Blue 87; C.I. Direct Blue 86; C.I. Direct Blue 86 (6CI); CI 74180; Lionol blue GS; Lionel blue GS; Direct blue 86; Direct Blue 86; Direct Fast Turquoise Blue GL

Physical and chemical properties: blue uniform powder. It is a lake blue solution when soluble in water, and the solubility is 40g/L (60℃), 80g/L (97℃). It will be reddish green when encountering concentrated sulfuric acid, and it will be greenish blue after dilution with green precipitation. Dyeing cellulosic fiber fabrics has poor dye exhaustion. Slightly sensitive to hard water.

Main Uses: Mainly used for the dyeing and printing of viscose fabrics, and also for the dyeing of viscose fabrics, cotton knitted fabrics and skeins, and viscose skeins. It is not easy to stain dark. After dyeing, it must be treated with fixing agent Y immediately to prevent dye migration from causing stains. It can also be used for dyeing silk fabrics. It can also be used to dye leather and paper, and it can also be used to make peacock blue lake pigment.