Formula Na4P2O7, MW 265.9, CAS 7722-88-5. White powder, easily soluble in water and insoluble in alcohol, density 2.45, m.p. 890 degC, slightly alkaline solution, deliquescent in air. Used as quality improver for canned food, juices, dairy, soybean products and soymilk. Packed in 25/50/1000 kg plastic-lined woven bags.
