Tetrasodium pyrophosphate
Synonym:Diphosphoric acid tetrasodium salt; Pyrophosphoric acid tetrasodium salt; Sodium diphosphate
Cas No.:7722-88-5
Molecular Formula:Na₄P₂O₇
Molecular Weight:265.90
Technical Index:

Item	Technical Grdae	Food Grade
Assay	96.5%Min.	96.5%Min.
P2O5	51.25%Min.	51.5%Min.
PH	9.9-10.7	9.9-10.7
Water Insoluble Matter	0.1%Max.	0.1%Max.
Appearance	White Powder	White Powder
Heavy Metals		0.001%Max.
As		0.0003%Max.
F		0.005%Max.