The tetrahydrophthalic anhydride industry has good development prospects, but domestic high-end products still rely on imports
Tetrahydrophthalic anhydride, whose full name is 1,2,5,6-tetrahydrophthalic anhydride, is a maleic anhydride derivative with the molecular formula C8H8O3. Tetrahydrophthalic anhydride is an important intermediate for new organic acid anhydride epoxy resin curing agents, synthetic surfactants, and pharmaceutical pesticides. It is widely used in medicine, coatings, plasticizers, electronic appliances, aerospace, electronic components, semiconductor devices and other…