Carbonic acid, dimethyl ester Other names: CH3OCOOCH3; Dimethyl carbonate; Dimethyl ester of carbonic acid; Methyl carbonate; Methyl carbonate ((MeO)2CO); UN 1161. InChI: InChI=1S/C3H6O3/c1-5-3(4)6-2/h1-2H3 InChI Key: IEJIGPNLZYLLBP-UHFFFAOYSA-N Formula: C3H6O3 SMILES: COC(=O)OC Molecular Weight: 90.08 CAS: 616-38-6 Physical Properties Property Value Unit Source PAff 830.20 kJ/mol NIST Webbook BasG 799.20 kJ/mol NIST Webbook ∆ G° -364.54 Joback Method f kJ/mol ∆ H° -482.27 Joback Method f gas kJ/mol ∆ H° 7.50 Joback Method fus kJ/mol ∆ H° 38.00 ± 0.20 NIST Webbook vap kJ/mol ∆ H° 37.70 ± 0.20 NIST Webbook vap kJ/mol IE 11.00 eV NIST Webbook IE 11.20 eV NIST Webbook IE 11.00 eV NIST Webbook logP 0.40 Crippen Method oct/wat P 4800.00 ± 150.00 NIST Webbook c kPa P 4800.00 ± 300.00 NIST Webbook c kPa T 363.60 ± 0.10 NIST Webbook boil K T 363.70 NIST Webbook boil K T 363.00 NIST Webbook boil K T 363.60 ± 0.40 NIST Webbook boil K Property Value Unit Source T 363.60 ± 0.30 NIST Webbook boil K T 363.40 ± 0.40 NIST Webbook boil K T 363.50 ± 0.50 NIST Webbook boil K T 363.50 ± 0.50 NIST Webbook boil K T 363.50 ± 0.50 NIST Webbook boil K T 557.00 ± 2.00 NIST Webbook c K T 557.00 ± 2.00 NIST Webbook c K T 267.55 ± 0.50 NIST Webbook fus K V 0.25 3 Joback Method c m /kg-mol Temperature Dependent Properties Property Value Unit Temperature (K) Source C 116.81 J/mol×K 366.75 Joback Method p,gas η 0.00 Pa×s 366.75 Joback Method ∆ H 11.58 278.2 NIST Webbook fus kJ/mol ∆ H 36.40 368.5 NIST Webbook vap kJ/mol Sources Joback Method: https://en.wikipedia.org/wiki/Joback_method NIST Webbook: http://webbook.nist.gov/cgi/inchi/InChI=1S/C3H6O3/c1-5-3(4)6-2/h1-2H3 Crippen Method: http://pubs.acs.org/doi/abs/10.1021/ci990307l Legend PAff: Proton affinity (kJ/mol). BasG: Gas basicity (kJ/mol). C : Ideal gas heat capacity (J/mol×K). p,gas η: Dynamic viscosity (Pa×s). ∆ G°: Standard Gibbs free energy of formation (kJ/mol). f ∆ H° : Enthalpy of formation at standard conditions (kJ/mol). f gas ∆ H°: Enthalpy of fusion at standard conditions (kJ/mol). fus ∆ H: Enthalpy of fusion at a given temperature (kJ/mol). fus ∆ H°: Enthalpy of vaporization at standard conditions (kJ/mol). vap ∆ H: Enthalpy of vaporization at a given temperature (kJ/mol). vap IE: Ionization energy (eV). logP : Octanol/Water partition coefficient . oct/wat P : Critical Pressure (kPa). c T : Normal Boiling Point Temperature (K). boil T : Critical Temperature (K). c T : Normal melting (fusion) point (K). fus V : Critical Volume (m3/kg-mol). c Latest version available from: https://www.chemeo.com/cid/32-123-9/Carbonic%20acid%2C%20dimethyl%20ester Generated by Cheméo on Tue, 28 Sep 2021 07:22:19 +0000. Cheméo (https://www.chemeo.com) is the biggest free database of chemical and physical data for the process industry..