CAS #
126-58-9
Resins and Functional Materials

Dipentaerythritol

Di-pentaerythritol, DPE, DiPE, 2,2-Bis(hydroxymethyl)-1,3-propanediol Monohydrate, Dipentaerythrite

Dipentaerythritol
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Dipentaerythritol is a white, crystalline polyol that contains six hydroxyl groups, making it highly multifunctional and reactive. It is primarily used as a key building block in the manufacture of high-performance alkyd and polyester resins, where it improves thermal stability, hardness, and chemical resistance.

Due to its high hydroxyl functionality, Dipentaerythritol enables the production of cross-linked polymers and is widely employed in synthetic lubricants, radiation-curable coatings, flame retardants, plasticizers, and stabilizers for PVC. It also enhances the oxidative and UV stability of resins, making it valuable in long-lasting outdoor applications.

Its low volatility and high thermal resistance make it particularly suited for demanding industrial and automotive formulations.