- Formula: C8H10O4
- Molecular weight: 170.1626
- IUPAC Standard InChI:
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- IUPAC Standard InChIKey: DFSFLZCLKYZYRD-UHFFFAOYSA-N
- CAS Registry Number: 5231-87-8
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
- Other names: 3-Cyclobutene-1,2-dione, 3,4-diethoxy-; Diethyl squarate
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Condensed phase thermochemistry data
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Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
|fH°liquid||-552.1 ± 1.4||kJ/mol||Ccb||Sellers, 1971|
|cH°liquid||-4025.1 ± 1.4||kJ/mol||Ccb||Sellers, 1971||Corresponding «DELTA»fHºliquid = -552.12 kJ/mol (simple calculation by NIST; no Washburn corrections)|
Go To: Top, Condensed phase thermochemistry data, Notes
Sellers, P., Enthalpies of formation of squaric acid and the corresponding diethyl ether, Acta Chem. Scand., 1971, 25, 2194-2198. [all data]
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
cH°liquid Enthalpy of combustion of liquid at standard conditions fH°liquid Enthalpy of formation of liquid at standard conditions
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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