DPHP is produced by esterifying 2 Propyl Heptanol and Phthalic Anhydride. DPHP is a phthalate ester plasticizer with high-performance and wide range of applications. It is highly compatible with PVC, and has excellent plasticizing efficiency, low migration, excellent heat-resistance. DPHP has low volatility and low fogging, which is used for automotive interior. Its excellent electric resistivity property is also used for wire and cable plastic products.