1,3-Dioxane, 4,4-dimethyl-
- Formula: C6H12O2
- Molecular weight: 116.1583
- IUPAC Standard InChIKey: GDKSTFXHMBGCPG-UHFFFAOYSA-N
- CAS Registry Number: 766-15-4
- 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: m-Dioxane, 4,4-dimethyl-; 4,4-Dimethyl-m-dioxane; 4,4-Dimethyl-1,3-dioxane; 4,4-Dimethyldioxane-1,3
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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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 406.5 | K | N/A | Lesteva and Timofeev, 1972 | Uncertainty assigned by TRC = 0.6 K; TRC |
Tboil | 406.15 | K | N/A | Farberov and Speranskaya, 1958 | Uncertainty assigned by TRC = 1.5 K; TRC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
37.1 | 348. | A | Stephenson and Malanowski, 1987 | Based on data from 333. to 407. K. See also Kachalova and Nemtsov, 1968.; AC |
38.8 | 378. | N/A | Lesteva, Morozova, et al., 1969 | Based on data from 363. to 406. 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 |
---|---|---|---|---|---|
363.5 to 406.5 | 4.69235 | 1805.43 | -21.161 | Lesteva, Morozova, et al., 1969, 2 | Coefficents calculated by NIST from author's data. |
Gas phase ion energetics 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:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.80 | PE | Asfandiarov and Zykov, 1983 | Vertical value; LBLHLM |
Mass spectrum (electron ionization)
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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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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Due to licensing restrictions, this spectrum cannot be downloaded.
Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
NIST MS number | 20346 |
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.
Lesteva and Timofeev, 1972
Lesteva, T.M.; Timofeev, G.A.,
Phase equilibria in methanol + 4,4-dimethyl-1,3-dioxane and trimethyl carbinol + 4,4-dimethyl-1,3-dioxane systems,
Zh. Prikl. Khim. (Leningrad), 1972, 45, 695-697. [all data]
Farberov and Speranskaya, 1958
Farberov, M.I.; Speranskaya, V.A.,
Synthesis of β-Chloro Substituted Alcohols and Their Transformations,
Zh. Obshch. Khim., 1958, 28, 2151. [all data]
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]
Kachalova and Nemtsov, 1968
Kachalova, R.V.; Nemtsov, M.S.,
Zh. Prikl. Khim. (Leningrad), 1968, 41, 10, 2315. [all data]
Lesteva, Morozova, et al., 1969
Lesteva, T.M.; Morozova, A.I.; Morozova, V.I.; Ogorodnikov, S.K.; Tyvina, T.N.,
Zh. Prikl. Khim. (S.-Peterburg), 1969, 42, 3, 553. [all data]
Lesteva, Morozova, et al., 1969, 2
Lesteva, T.M.; Morozova, A.I.; Morozova, V.I.; Ogorodnikov, S.K.; Tyrina, T.N.,
Equilibrium of Liquid-Steam and Liquid-Liquid in System 4,4-Dimethyldioxane-1,3-Methyldihydropyrine-Water,
Zh. Prikl. Khim. (Leningrad), 1969, 42, 553-558. [all data]
Asfandiarov and Zykov, 1983
Asfandiarov, N.L.; Zykov, B.G.,
Photoelectron spectra of methyl-substituted 1,3-Dioxanes,
Bull. Acad. Sci. USSR, Div. Chem. Sci., 1983, 10, 2069, In original 2293. [all data]
Notes
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- Symbols used in this document:
Tboil Boiling point ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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