Peroxydisulfuric acid
Compounds
Peroxydisulfuric acid is an inorganic compound with a chemical formula (HO₃SO)₂. Also called Marshall's acid after Professor Hugh Marshall, who discovered it in 1891. Wikipedia
Formula: H2S2O8
Molar mass: 194.14 g/mol
3D model (JSmol): Interactive image
Conjugate base: Peroxydisulfate
Melting point: 65 °C (149 °F; 338 K) (decomposes)
Other cations: Potassium persulfate; Sodium persulfate; Ammonium persulfate
Related compounds: Peroxymonosulfuric acid; Pyrosulfuric acid