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.

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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