| Physical and Chemical Properties | Chemical properties red powder. The solubility in water (50 ℃) is 100g/L. The aqueous solution is brilliant red, and the addition of 1mol/L sodium hydroxide solution is dark red. After adding sodium sulfite and warming, it is light yellow, and then adding sodium perborate is still light yellow. It is sauce red in concentrated sulfuric acid, and rose red after dilution, accompanied by a small amount of precipitation. It is red in concentrated nitric acid, brown after dilution, and accompanied by a small amount of precipitation. |
| Use | Use 1, reactive brilliant red KM-8B can be used for cotton, viscose fiber dyeing, suitable for various dyeing methods, affinity, fixation rate are high. It is also used for direct printing of cotton and viscose fabrics. For Blue Rose Red, Cotton printing and dyeing with blue Red better varieties. Can also be combined with the active golden M-G, brilliant blue M-BR composition of the three primary colors, dark color, can also be combined with purple paste, jujube, red and purple color, can also be combined with the active black KN-B deep thick cyan. Also used for silk, hemp, cotton fabric printing and dyeing. 2, for cotton, hemp, viscose and other fiber dyeing and printing. |