Chemical properties: White needle-shaped crystals or powder. Soluble in alkaline solution, slightly soluble in hot ethanol, insoluble in water, ether, glacial acetic acid and chloroform.
Uses
1. It is an important raw material for the manufacture of polyester resins, films, fibers, insulating paints and engineering plastics, etc.
2. Uses Most of this product is used in the production of polyethylene terephthalate (polyester), which is an important raw material for polyester fibers, films, plastic products, insulating paints and plasticizers, and is also used in the production of medicines, dyes and other products.
3. Used as a chromatographic analysis reagent Used to manufacture synthetic resins, acid fibers and plasticizers, etc.
4. Uses Organic synthesis, determination of residual alkalinity of wool, gas chromatography sweeping agent. Adding to polyethylene glycol 200 can separate and analyze fatty acids.