Article No. 5975B
Purity 99%
Molecular Formula Na2HPO4.12H2O
H.S. Code 2835.2990
Grade AR
CAS No. 10039-32-4
Molecular Weight 358.14
Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour Colorless crystals
Odour Odorless pH value 8.4 - 9.6 at 36 g/l at 25 °C
Melting point/ Freezing point [°C] 34°C Density [g/cm3] 1.5
Solubility in water [% weight] 35.8 g/l at 20 °C

Specifications

Appearance Colourless crystals Assay (as Na2HPO4.12H2O) Min. 99.0%
pH (5% solution; 20°C) 9.1 - 9.4 Chloride (Cl) Max. 0.005%
Sulphate (SO4) Max. 0.005% Total nitrogen (N) Max. 0.001%
Heavy metal (as Pb) Max. 0.0005% Iron (Fe) Max. 0.0005%
Potassium (K) Max. 0.005% Arsenic (As) Max. 0.00005%