It serves as an intermediate in the synthesis of various dyes and pigments, particularly used in the textile and printing industries. 4B Acid is also utilized as an intermediate in the synthesis of certain types of pharmaceuticals and agrochemicals.
| PRODUCT | PARA TOLUDINE META SULPHONIC ACID OR 4 – B ACID (Purified) |
| C.A.S NO. | 88-44-8 |
| PHYSICAL APPERANCE | White To off White |
| MOLECULAR WEIGHT | 187.00 gm/mole |
| MOLECULAR FORMULA | C7H9NSO3 |
| STRUCTURE FORMULA |  |
| PURITY BY NV | 98.0 % Min. |
| SOLUBILITY | CLEAR SOLUTION IN 2% NaOH |
| PACKING | 25 Kg / 50 Kg. NET IN HDPE BAG WITH LINERS |
| INSOLUBLE | 0.3 % Max. |
| ISOMER | 0.3 % Max. |