| Name | Basic Blue 53 |
| Synonyms | Violet 3BL Basic Blue 53 Violet Blue 3BL C.I. BASIC BLUE 53 Hebeicryl Violet 3BL Cationic Violet Blue 3BL Dycosacryl Violet Blue 3BL Youhaocryl Blue 3BL 16035. |
| CAS | 11075-20-0 |
| Molecular Formula | C17H17I3N4SZn |
| Physical and Chemical Properties | Chemical properties dark blue uniform powder. Sun fastness grade 4-5. Compatibility value k = 1.5. Generally used alone, rarely used for color matching. |
| Use | Uses cationic Violet 3BL is mainly used for acrylic fiber dyeing, and the color light is red, which is heavier blue. It is also used for dyeing of acetate and acrylic fibers and direct printing of acetate fabrics. |
2-aminobenzothiazole and N,N-dimethylaniline are used as the main raw materials. First, 2-aminobenzothiazole is diazotized with nitrosyl sulfuric acid (NOHSO4) at low temperature, then it is combined with N,N-dimethylaniline, and then methylated with dimethyl sulfate, zinc chloride is salt, filtered and dried to obtain the product.