Disodium Pyrophosphate,E541, CAS no.7758-16-9, is a popular leavening agent used in baking powders. available as WHITE POWDER. Disodium Pyrophosphate is widely used as food buffering and chelating agent in food processing. As an experienced Disodium Pyrophosphate manufacturer and supplier, we has been supplying and exporting Disodium Pyrophosphate 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. Disodium Pyrophosphate Specification ITEM STANDARD Na2H2P2O7 95.0% MIN APPEARANCE WHITE POWDER WATER INSOLUBLE 1.0% MAX ARSENIC( AS) 3PPM MAX LOSS ON DRYING 0.5% MAX CADMIUM (PPM) 1 MAX LEAD (PPM) 4 MAX MERCURY (PPM) 1 MAX HEAVY METAL( PB) 15PPM MAX FLUORID( PPM) 10 MAX PH VALUE 3.5-4.5