Molecular Formula | C30H22ClN3Na2O10S3 |
Molar Mass | 762.13732 |
Physical and Chemical Properties | Purplish red powder. Soluble in water. |
Use | weak acid brilliant red 3B is suitable for dyeing and printing of wool, silk, nylon and their fabrics, and can be discharged. For wool and a variety of fibers in the same bath dyeing, acetate fiber and cellulose fiber non-staining. It can also be used for color film. |
production method | with 2-benzyloxy-5-chloroaniline and N-p-Toluenesulfonyl H acid (N-p-tolylsolfonyl H acid) as raw materials, 2-benzyloxy-5-chloroaniline was first diazotized and then coupled with N-p-Toluenesulfonyl-H acid to give the product. The final product was obtained by filtration, drying and pulverization.. |