VE-TPGS, water-soluble Natural Vitamin E (D-Alpha-Tocopheryl Polyethylene Glycol Succinate, TPGS), is a derivation of natural vitamin E. It is an esterification form of natural Vitamin E Acid Succinate and Polyethylene Glycol, and can be soluble completely in water and produces a clarification and transparence solution. [E-TPGS can be used as]: -- Nutritional supplements, provide water-soluble source of vitamin E or poorly soluble neutriceuticals in liquid dosage form; -- Emulsifier to improve drug solubility, permeability, safety and bioavailability. [Specification] -Melting Point approx.: 37deg ~41deg -Specific rotation: NLT +24° -Acidity: NMT 0.27ml -Heavy metals: NMT 10ppm -Assay(as D-Alpha-Tocopherol): NLT 260mg/g -Potency White to Pale-yellow waxy solid: NLT 387IU/g