Chemical Properties of Methanesulfonic anhydride (CAS 7143-01-3)

Methanesulfonic anhydride

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InChI Key
Molecular Weight1
Other Names
  • Mesyl anhydride
  • Methanesulfonic acid, anhydride
  • Methanesulphonic anhydride

Physical Properties

Property Value Unit Source
Δf -1076.12 kJ/mol Joback Calculated Property
Δfgas -1123.53 kJ/mol Joback Calculated Property
Δfus 24.88 kJ/mol Joback Calculated Property
Δvap 59.73 kJ/mol Joback Calculated Property
logPoct/wat -1.08 Crippen Calculated Property
Pc 8014.82 kPa Joback Calculated Property
Tboil 363.14 K Joback Calculated Property
Tc 526.51 K Joback Calculated Property
Tfus 211.65 K Joback Calculated Property
Vc 0.42 m3/kg-mol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas 177.54 J/mol×K 363.14 Joback Calculated Property

Molecular Descriptors

Joback and Reid Groups
-O- (nonring) 1
=O 4
-CH3 2
-S- 2

Similar Compounds

Methanesulfonic acid, sodium salt. CH3SO3H. Trifluoromethanesulfonic anhydride. Aminomethanesulfonic acid. Methanesulfonic acid, methyl ester. 2-Propane sulfonic acid, sodium salt. 2-Hydroxy ethane sulfonic acid, sodium salt. Methanesulfonic acid, ethyl ester. 2-Aminoethanesulfonic acid. Allyl sulfonic acid, sodium salt. Methanesulfinic acid. Ethanesulfonic acid, methyl ester. Methanesulfonic acid, 2-chloroethyl ester. Methanesulfonic acid, 1-methylethyl ester. Methane disulfonic acid.

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