| Molecular Formula | C27H19Cl3N7O13S4.3Na |
| Physical and Chemical Properties | Chemical properties yellow powder. Solubility ≥ 150g/L (50 ℃) in water. It is resistant to alkaline hydrolysis and acid hydrolysis. The aqueous solution is golden yellow, add 1mol/L sodium hydroxide solution, the color remains unchanged. |
| Use | Purposes reactive yellow M-5G is used for dyeing and printing cotton, hemp, silk, glue, nylon and other fabrics, with low affinity for fiber, high fixation rate, less dye hydrolysis, and thus easy to wash. |
Using p-(2-sulfate ethyl sulfone group) aniline, cyanuric chloride, 2, 4-diaminobenzenesulfonic acid, 1-(2 ',5'-dichloro-4'-sulfonic acid phenyl)-3-methyl -5-pyrazolone as raw materials, first condensate cyanuric chloride with 2, 4-diaminobenzenesulfonic acid, and then diazotize ',5'-dichloro-4'-sulfophenyl)-3-methyl -5-pyrazolone is coupled, and finally condensed with p-(2-sulfate ethyl sulfone group) aniline, salted out, filtered, and dried to obtain the finished product.