abstract |
METHOD FOR THE INTRODUCTION OF SODIUM SALT M-NITROBENZEN SULPHATE FROM THE REACTION BACKGROUND During its preparation by sulfonation of nitrobeisol and neutralization of the sulfo mass using separation of byproducts, which are characterized by the fact that, in order to simplify the process, the latter is carried out when the content of the desired product in the reaction mixture is 56% and a temperature of 80-105 C. |