Natural vitamin E TPGS 

【Product Name】TPGS Vitamin E 【CAS NO.】 59-02-9 【Specification】25%   Item Standard Appearance Off-white or yellowish waxy solid Odor Almost odourless Acidity（ml） ≤ 0.27 Specific Rotation【α】25℃D   ≥ +24 Assay（%） ≥ 25 Solubility in water 20% Min (Clear solution) Solvent residue Ethyl acetate ≤3000ppm Ethanol ≤5000ppm Heavy Metals(as Pb) （ppm） ≤ 10 Total Ba…

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