dium phosphate when boiled .
Sodium pyrophosphate 10H2O is white needle crystals and it soluble in water, insoluble in alcohol, aqueous solution is alkaline. Easy to weathered in dry air.
Specifications:
Item Food grade
Appearance White powderorgranule
Assay (Na4P2O7) % 96.5
Iron (Fe) % /
Heavy metal (as Pb) % /
Arsenic (As) % 0.0003
Lead (Pb) % 0.0002
Fluoride (F) % 0.001
pH (1% sol.) 9.9-10.7
Water insoluble % 0.1
Loss on ignition % 0.5
Usage: It is used as buffering agent, emul