Bis(2-Hydroxyethyl) terephthalate

Bis(2-Hydroxyethyl) terephthalate (BHET) is an organic compound; it is the ester of ethylene glycol and terephthalic acid. Together with 2-hydroxyethyl terephthalic acid, bis(2-Hydroxyethyl) terephthalate is an intermediate in the production of poly(ethylene terephthalate). It is the product of the glycolysis reaction of PET with Ethylene glycol.