Sodium Propionate, E281, CAS no.137-40-6, a white crystalline solid or powder that is the sodium salt of propionic acid. Sodium Propionate manufacturing process via chemical synthesis of propionic acid and sodium carbonate or sodium hydroxide as raw materials. Sodium Propionate is used in the food and beverage industry as a preservative. It prevents the growth of mold and some bacteria, thereby prolonging the shelf life of packaged baked goods. Used as a mold inhibitor in bakery products, such as breads, yogurts, soups, drinking yogurts, canned vegetables, etc. As an experienced Sodium Propionate manufacturer and supplier, we has been supplying and exporting Sodium Propionate 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. Sodium Propionate powder Specification Product Sodium Propionate CAS 137-40-6 INS 281 Structure Molecular formula C3H5NaO2 Properties White crystals, particles or crystalline powder;Odorless or slightly ethyl butyrate smell.1g of this product can be dissolved in 1ml of water,25 or 24 ml of ethanol. Quality Specification Standard Item GB25549-2010 BP2012 FCCV USP35 EP7.0 Content dry basis 99.0%~100.5% 99.0%~101% 99.0%~100.5% 99.0%~100.5% 99.0%~101% Loss on drying (Vol. 4) 1.0% 0.5% 1.0% 1.0% 0.5% Water-insoluble matter Clear, olorless Clear, olorless PH 10 7.8~9.2 7.8~9.2 As(as As203) 3 mg/kg Heavy metals (as Pb) 4 mg/kg 10ppm 2 mg/kg 0.001% 10ppm Fe 0.003% 10ppm 0.003%10ppm Alkalinity (Na2CO3) passed test 0.15% passed test