1,3-Dioxane
- Formula: C4H8O2
- Molecular weight: 88.1051
- IUPAC Standard InChI: InChI=1S/C4H8O2/c1-2-5-4-6-3-1/h1-4H2
- IUPAC Standard InChIKey: VDFVNEFVBPFDSB-UHFFFAOYSA-N
- CAS Registry Number: 505-22-6
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
View 3d structure (requires JavaScript / HTML 5) - Other names: m-Dioxane; m-Dioxin, dihydro-; 1,3-Dioxacyclohexane; 1,3-Propanediol formal
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Data at other public NIST sites:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Condensed phase thermochemistry data
Go To: Top, Reaction 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°liquid | -377.5 ± 1.1 | kJ/mol | Ccr | Bystrm and Mansson, 1982 | ALS |
| ΔfH°liquid | -384.6 ± 1.8 | kJ/mol | Ccb | Pihlaja and Luoma, 1968 | ALS |
| ΔfH°liquid | -385. ± 1. | kJ/mol | Ccb | Pihlaja and Heikkila, 1967 | ALS |
| ΔfH°liquid | -376.6 ± 0.84 | kJ/mol | Ccb | Snelson and Skinner, 1961 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -2333. ± 10. | kJ/mol | AVG | N/A | Average of 6 values; Individual data points |
Constant pressure heat capacity of liquid
| Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 143.9 | 298. | Conti, Gianni, et al., 1976 | DH |
Reaction 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
2 =
By formula: 2C4H8O2 = C8H16O4
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -9.9 ± 2.8 | kJ/mol | Eqk | Szymanski, 1991 | solid phase |
References
Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Bystrm and Mansson, 1982
Bystrm, K.; Mansson, M.,
Enthalpies of formation of some cyclic 1,3- and 1,4-Di- and poly-ethers: Thermochemical strain in the -O-C-O and -O-C-C-O- groups,
J. Chem. Soc. Perkin Trans. 2, 1982, 565. [all data]
Pihlaja and Luoma, 1968
Pihlaja, K.; Luoma, S.,
Heats of formation and conformational energies of 1,3-dioxane and its methyl homologues,
Acta Chem. Scand., 1968, 22, 2401-2414. [all data]
Pihlaja and Heikkila, 1967
Pihlaja, K.; Heikkila, J.,
The configurations of isomeric 2,2,4,6-tetramethyl-1,3-dioxanes,
Acta Chem. Scand., 1967, 21, 2430-2434. [all data]
Snelson and Skinner, 1961
Snelson, A.; Skinner, H.A.,
Heats of combustion: sec-propanol, 1,4-dioxan, 1,3-dioxan and tetrahydropyran,
Trans. Faraday Soc., 1961, 57, 2125-2131. [all data]
Conti, Gianni, et al., 1976
Conti, G.; Gianni, P.; Matteoli, E.; Mengheri, M.,
Capacita termiche molari di alcuni composti organici mono- e bifunzionali nel liquido puro e in soluzione acquosa a 25C,
Chim. Ind. (Milan), 1976, 58, 225. [all data]
Szymanski, 1991
Szymanski, R.,
Equilibrium between 1,3 and its cyclooligomers,
Makromol. Chem., 1991, 192, 2961-2968. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.