Di-pe is a white, odorless and crystalline powder. It is no poison to animal, no stimulate to skin, no pollution to environment. Puritys melting point 221-222.5.Di-pe is slightly soluble in water, but little soluble in most organic solvent, it can react with organic material and turn into ester. Di-pe usually consists of a little mono-pe and tri-pe. So its hydroxyl value is between 38 -40. Di-pe wt% 85% 20 kg/bag