Standard: BP2004/USP28 Item Specification Appearance White Crystal Powder Purity(on dry base) 99.0 100.5% Melting Point 125 128â??Acidity Passed Clarity and Colour of solution Passed Related Substances PassedSulfated Ash 0.1% maxPacking : 25kgs net in paper board drum, lined with polyethylene bag purposes : the pharmaceutical industry pharmaceutical preservative used fungicide, but also for organic synthesis and food, spices, etc.. The film Guarding rot additives. Similar to the production methods of production of similar products ethylparaben (Nipagin B), p-hydroxybenzoic acid propyl (Nipagin c), are also disinfection anticorrosion medicine. The goods are irritating to the skin.