Hexahydrophthalic Anhydride (HHPA)

Hexahydrophthalic anhydride (HHPA) is used as an intermediate for coating resins, plasticizers, insect repellents and rust inhibitors. It is also used as a hardener for epoxy resins. HHPA is preferred in casting and coating applications due to its higher resistance to yellowing.

Other Names & Identifiers	Hexahydroisobenzofuran-1,3-dione
CAS Number	85-42-7
Product Categories	Resin Intermediates \| Epoxy Intermediates \| Intermediates \| Acids & Anhydrides