Dimethyl propanedioic acid
- Formula: C5H8O4
- Molecular weight: 132.1146
- IUPAC Standard InChI: InChI=1S/C5H8O4/c1-5(2,3(6)7)4(8)9/h1-2H3,(H,6,7)(H,8,9)
- IUPAC Standard InChIKey: OREAFAJWWJHCOT-UHFFFAOYSA-N
- CAS Registry Number: 595-46-0
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: propanedioic acid dimethyl; dimethylmalonic acid
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Donald R. Burgess, Jr.
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -735.2 | kJ/mol | N/A | Guinchant, 1918 | Value computed using ΔfHliquid° value of -797.1 kj/mol from Guinchant, 1918 and ΔvapH° value of 61.9 kj/mol from Verevkin, Beckhaus, et al., 1992. |
Condensed phase thermochemistry data
Go To: Top, Gas phase thermochemistry data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°liquid | -797.1 | kJ/mol | Ccb | Guinchant, 1918 | Author hf288_condensed[kcal/mol]=-195.0 kcal/mol |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -2314. | kJ/mol | Ccb | Guinchant, 1918 | Author hf288_condensed[kcal/mol]=-195.0 kcal/mol; Corresponding ΔfHºliquid = -797.1 kJ/mol (simple calculation by NIST; no Washburn corrections) |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Guinchant, 1918
Guinchant, M.J.,
Etude sur la fonction acide dans les derives metheniques et methiniques,
Ann. Chem., 1918, 10, 30-84. [all data]
Verevkin, Beckhaus, et al., 1992
Verevkin, S.P.; Beckhaus, H.-D.; Ruchardt, C.,
Geminale substituenteneffekte Teil 5α. Standardbildungsenthalpien von alkylsubstituierten Malonsaure- und α-aminocarbonsaureestern,
Thermochim. Acta, 1992, 197, 27-39. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, References
- Symbols used in this document:
ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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