Dipentaerythritol PRODUCT EXPLAIN?? Quality Name??Dipentaerythritol Abbreviation??DI-PE Nature?? Di-P e is a white, odorless and crystalline powder. It is no poison to animl, no stimulation to skin, no pollution to environment. Purity??s melting point is 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 and 40.