Netica Solution

Disulfuric acid

IUPAC name
Disulfuric acid
Other names
Pyrosulfuric acid
Identifiers
CAS number
SMILES
 
OS(=O)(=O)OS(=O)(=O)O
Properties
Molecular formula
H2S2O7
Molar mass
178.14168
Melting point
36°C
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)
Infobox disclaimer and references
Disulfuric acid is a sulfur oxoacid. It is a major constituent of fuming sulfuric acid, oleum, and this is how most chemists encounter it. It is also a minor constituent [...]