methyl oxalate


dimethyl oxalate; methyl oxalate
Links:📏 NIST, ⚗️ ChemSynthesis, 📖 PubMed
CAS:[553-90-2]
Formula:C3H3O4; 103.05 g/mol
InChiKey:CPKISUMKCULUNR-UHFFFAOYSA-M
Molecular structure of methyl oxalate
Density:1.148 g/mL
Molar volume:89.8 mL/mol
Dielectric constant:3.00
Dipole moment:2.22 D
Melting point:54 °C
Boiling point:163 °C
Vapour pressure:0 Torr
Antoine equation
P(Torr) vs T(°C)
Vapour pressure vs temperature
Critical temperature:260 °C
Critical pressure:9.5 atm
Log10 partition octanol / water:-0.17
1g dissolves in:
4.43g formic acid;    16.18g water;    20.83g pyridine