2H,5H-Pyrano[4,3-b]pyran-2,5-dione, 4,7-dimethyl-
- Formula: C10H8O4
- Molecular weight: 192.1681
- IUPAC Standard InChI: InChI=1S/C10H8O4/c1-5-3-8(11)14-7-4-6(2)13-10(12)9(5)7/h3-4H,1-2H3
- IUPAC Standard InChIKey: CLRUUBUGHDOXCJ-UHFFFAOYSA-N
- CAS Registry Number: 1204-38-2
- 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: 4,7-Dimethyl-2H,5H-pyrano-[4,3-b]-pyran-2,5-dione
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Condensed phase thermochemistry data
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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°solid | -436. ± 29. | kJ/mol | Ccb | Sabbah, Chastel, et al., 1972 | Author's hf298_condensed=-433.±29. kJ/mol |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -4642. ± 29. | kJ/mol | Ccb | Sabbah, Chastel, et al., 1972 | Author's hf298_condensed=-433.±29. kJ/mol; Corresponding ΔfHºsolid = -436. kJ/mol (simple calculation by NIST; no Washburn corrections) |
References
Go To: Top, 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.
Sabbah, Chastel, et al., 1972
Sabbah, R.; Chastel, R.; Laffitte, M.,
Determination des enthalpies de reference de formation a l'etat solide de quelques derives pyranno-pyranne diones,
Thermochim. Acta, 1972, 4, 117-122. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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