Formula NaH2PO4.2H2O, MW 156.01, CAS 13472-35-0. The dihydrate is a white granular crystal, density 1.915, m.p. 57.4 degC, easily soluble in water and hygroscopic. In food industry used as quality improver, emulsifier, nutritional supplement, buffer for baking powder, curing mixed salt and powdered flavour. Packed in 25/50/1000 kg plastic-lined woven bags.