CASR |
: | 7727-54-0 |
Molecular Formula |
: | (NH4)2S2O8 |
Molecular Weight |
: | 228.19 |
Specifications | |
---|---|
Appearance: | White or colorless solid |
Aqueous solubility: | 58 g in 100mL at 20°C |
Assay: | Min. 98.0% |
Insoluble matter: | 0.005% Max. |
Residue after ignition: | 0.05% Max. |
Titrable free acid: | 0.04 meq/g |
Chloride and chlorate (as Cl): | 0.001% Max. |
Heavy metals (as Pb): | 0.005% Max. |
Iron (Fe): | 0.001% Max. |
Manganese (Mn): | 0.5ppm Max. |