2(3H)-Furanone, dihydro-5,5-dimethyl-
- Formula: C6H10O2
- Molecular weight: 114.1424
- IUPAC Standard InChI: InChI=1S/C6H10O2/c1-6(2)4-3-5(7)8-6/h3-4H2,1-2H3
- IUPAC Standard InChIKey: NPHAVLULUWJQAS-UHFFFAOYSA-N
- CAS Registry Number: 3123-97-5
- 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-Methylpentan-4-olide; Isocaprolactone; γ-Isocaprolactone; γ-Methyl-γ-valerolactone; γ,γ-Dimethyl-γ-butyrolactone; γ,γ-Dimethylbutyrolactone; Dihydro-5,5-dimethyl-2(3H)-furanone; Tetrahydro-5,5-dimethyl-2-furanone; 4-Methyl-4-hydroxypentanoic acid lactone; 4-Methyl-4-pentanolide; 4,4-dimethylbutan-4-olide; 5,5-Dimethyldihydrofuran-2(3H)-one; Pentanoic acid 4-hydroxy 4-methyl-γ-lactone; Valeric acid, 4-hydroxy-4-methyl-, g-lactone; 5,5-Dimethyldihydro-2(3H)-furanone
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Phase change 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 as indicated in comments:
AC - William E. Acree, Jr., James S. Chickos
Enthalpy of vaporization
| ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 52.7 | 326. | A | Stephenson and Malanowski, 1987 | Based on data from 311. to 480. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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| Temperature (K) | A | B | C | Reference | Comment |
|---|---|---|---|---|---|
| 311.4 to 480. | 4.80624 | 2156.126 | -30.786 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Notes
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- Symbols used in this document:
ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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