CAS7775-27-1
FormulaNa2SaO2
SynonymPeroxydisulfuric acid, disodium salt, sodium persulphate, Peroxydisulphuric acid, Peroxydisulfuric acid ([(HO)S(O)2]2O2), sodium salt (1:2), Disodium peroxodisulphate
SensoricWhite crystals.
Dropping PointNot Applicable
Melting PointDecomposed ar 200ยฐC
Vapor PressureNot Applicable
Vepor DensityNot Applicable
Soluble70.2g/100g at 20ยฐC in water.
Bulk Density0.982g/cc
Evaporation RateNot Applicable
OdorNone
Assay %99% Min
Manganese0.0001% min
Iron0.001% Max
Heavy Metals; USP <231>0.001% Max
Moisture(105ยฐC, 2h)0.1% Max
Ammonia0.1% Max
Active Oxygen6.65% Min
Chloride and Chlorate(with Cl)0.02% Max
Direct Evaporative Coolingon heating
pH5-7 (1 soln.)
Molecular weight238.10
Specific gravity2.6
Solubilitygl in water (20 c) with gradual decomp.