Sodium Pyrosulfate msds| properties| cas no| molecular formula | WorldOfChemicals

Sodium Pyrosulfate Properties

Sodium Pyrosulfate

Molecule Structure Image



Sodium pyrosulfate is a salt of sodium and pyrosulfate, obtained by the dehydration of sodium bisulfate. This is an intermediate stage in the preparation of sulfur trioxide.

Chemical Properties

Appearance Translucent white crystals
Boiling Point 460 °C
CAS Number 13870-29-6
Density 2.658 g/cm3
EINECS Number 237-625-5
IUPAC Name Disodium Disulfate
Melting Point 400.9 °C
Molar Mass 222.12 g/mol
Molecular Formula Na2S2O7
Solubility Soluble
Synonyms Sodium Pyrosulphate;Disulfuric Acid Disodium Salt;Disodium Pyrosulfate