dye|World dye variety

Name:C.I.Acid Blue 168

Molecular Structure: Formazan Class

C.I.Acid Blue 168,CAS 12219-24-8,500.98,C20H15CuN5O5S,Neutral Blue BNL,Acid Navy Blue NM-4BG,Acid Complex Blue BNL

Molecular Formula:C₂₀H₁₅CuN₅O₅S

Molecular Weight: 500.98

CAS Registry Number:12219-24-8

Manufacturing Methods :  3-Amino-4-hydroxybenzenesulfonamide diazo, and 2-(Benzylideneamino)benzoic acid coupling, and then into copper complex.

Properties and Applications:  red light navy blue. Blue to blue gray powder. Soluble in water. The strong sulfuric acid in Red sauce for, diluted into shallow orange solution; No change in strong hydrochloric acid, diluted into a red light blue with precipitation; In nitric acid was damaged in; In the thick of sodium hydroxide solution without change, diluted into light red light blue solution. Water solution is blue, and later have suspended shape dye exhalation, addition of suitable amount of phosphate three sodium can be improved. Used for wool, silk, silk, polyvinyl alcohol, nylon, Victoria / viscose blends, wool / rayon blended fabric dyeing and printing, also used for leather dyeing.

List of Suppliers:

Neutral Blue BNL,Acid Navy Blue NM-4BG,Acid Complex Blue BNL

Qingdao Double Peach Specialty Chemicals (Group) Co., Ltd.,

Hangzhou Xiasha Hengsheng (Sunshine) Chemicals Co.,Ltd.

Shangyu Guangming Chemical Co.,Ltd.