POTASSIUM PYROSULPHATE 97% Extra Pure

Article No P-1157
CAS No 7790-62-7
HSN Code 28332990
Purity 97%
Grade EXTRA PURE
Molecular Formula K2S2O7
Molecular Weight 254.33
Shelf Life 5 YEAR

Specifications

Description off-white flakes/crystals
Assay (acidimetric) Min. 97%
Chloride (Cl) Max. 0.003%
Iron (Fe) Max. 0.002%
Melting Point/ Freezing Point [°C] 325°C
Density [g/cm3] 2.28
Solubility in water [% weight] 25.4 g/l at 20 °C