di-Sodium Hydrogen Phosphate Dodecahydrate, 99% Ph. Eur., USP

Pharmacopoeia Specification(s) Ph. Eur., USP

Assay:  98.5 - 102.5 % (Ph. Eur. test)
Assay:  98.0 - 100.5 % (USP test)
M.W.: 358.14
M.F.:  Na₂HPO₄ · 12H₂O
Water Insoluble Matter: <0.4%
Reducing Substances: passes test
Monosodium Phosphate:  <2.5%
Sulphate (SO4):  <0.05%
Iron (Fe): <20ppm
Chloride (Cl): <200ppm
Heavy Metals (as Pb): <10ppm
Arsenic (As):<1ppm
Lead: <1ppm
Cadmium (Cd): <1ppm
Water (KF): <61.0%