PropylParaben, also called propyl p-hydroxybenzoate, E216, CAS no.94-13-3, the manufacturing process via Paraben. Propylparaben is one of a family of preservatives known as parabens, the compounds of parahydroxybenzoic acid. Function: preventing the growth of fungi. It is used as a preservative in water-based cosmetics, such as creams, lotions, shampoos and bath products. PropylParaben often used as a preservative and anti-fungal agent to prevent molding and to provide a much longer shelf life to chips, jams, jellies in food application. As an experienced PropylParaben manufacturer and supplier, we has been supplying and exporting PropylParaben for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. PropylParaben powder food grade Specification ITEM SPECIFICATIONS Characters White crystalline powder Purity (on dry base) % 98.0-102.0 Acidity (PH) 4.0-7.0 Melting point (C) 96-99 Sulfate (SO42-) 300 ppm Residue on Ignition (%) 0.10 Completeness of solution Clear and transparent Organic volatile impurities 0.5 Loss on Drying (%) 0.5