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| OEM | OEM Services Provided |
| Feature | Good stability,Easy to Use |
| Classification | Dyes and Pigments |
| Advantage | Professional, Fast Delivery, Customizable | Samples | Apply for free，Contact us now. |
| Product Name: | Acid Blue 168 |
| Synonyms: | Acid Blue 168;Neutral Blue BNL;AcidBlueBNL;C.I.AcidBlue168;Neutral yan LAN;Neutral deep blue;NEUTER BLUE BNL;Blue BNL |
| CAS: | 12219-24-8 |
| MF: | C20H15CuN5O5S |
| MW: | 0 |
| EINECS: | |
| Product Categories: | |
| Mol File: | Mol File |
| Preparation | 3-Amino-4-hydroxybenzenesulfonamide diazo, and 2-(Benzylideneamino)benzoic acid coupling, and then into copper complex. | ||||||||||||||||||||||||||||||||
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.
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| Raw materials | 3-Amino-4-hydroxybenzenesulphonamide-->phenylhydrazone-->3-Amino-4-hydroxybenzenesulphonamide-->2-(benzylideneamino)benzoic acid |
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