EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
Use | used for dyeing polyester fiber disperse red B- S used for dyeing and printing polyester and its blends, the color was bright, and the dyeing fastness was good. It is suitable for high temperature and high pressure dyeing and hot melt dyeing. |
production method | with 2-amino -5,6 (or 6,7)-Dichlorobenzothiazole and 3-methyl-N-ethyl-N-cyanoethyl aniline as starting materials. The former is first diazotized and then coupled with the latter to obtain a product. The final product was obtained by filtration, grinding and drying.. |