1. Organic synthesis: intermediates for pharmaceuticals (imidazole, pyrimidine, caffeine), pesticides, dyes and fragrances;
2. Solvent: spinning of acrylonitrile copolymers, ion exchange resins, antistatic finishing of plastic products;
3. Auxiliary agent: paper treatment agent, fiber softener, animal glue softener;
4. Analytical reagent, fat purification, separation of chlorosilanes.