2,3,6-trimethyl-p-benzoquinone
- Formula: C9H10O2
- Molecular weight: 150.1745
- IUPAC Standard InChI: InChI=1S/C9H10O2/c1-5-4-8(10)6(2)7(3)9(5)11/h4H,1-3H3
- IUPAC Standard InChIKey: QIXDHVDGPXBRRD-UHFFFAOYSA-N
- CAS Registry Number: 935-92-2
- 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: 2,3,5-Trimethyl-1,4-benzoquinone
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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 by: William E. Acree, Jr., James S. Chickos
Enthalpy of vaporization
| ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 11.9 | 408. | EB | Tan, Li, et al., 2004 | Based on data from 393. to 450. K. |
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 by: John E. Bartmess
Electron affinity determinations
| EA (eV) | Method | Reference | Comment |
|---|---|---|---|
| 1.687 ± 0.048 | IMRE | Fukuda and McIver, 1985 | ΔGea(355 K) = -37.7 kcal/mol; ΔSea =-3.3, est. from data in Heinis, Chowdhury, et al., 1988 |
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.
Tan, Li, et al., 2004
Tan, Taijun; Li, Haoran; Wang, Congmin; Jiang, Hui; Han, Shijun,
Isothermal and isobaric vapor--liquid equilibria for the binary system trimethylbenzoquinone + n-hexanol,
Fluid Phase Equilibria, 2004, 224, 2, 279-283, https://doi.org/10.1016/j.fluid.2004.06.056
. [all data]
Fukuda and McIver, 1985
Fukuda, E.K.; McIver, R.T., Jr.,
Relative electron affinities of substituted benzophenones, nitrobenzenes, and quinones. [Anchored to EA(SO2) from 74CEL/BEN],
J. Am. Chem. Soc., 1985, 107, 2291. [all data]
Heinis, Chowdhury, et al., 1988
Heinis, T.; Chowdhury, S.; Scott, S.L.; Kebarle, P.,
Electron Affinities of Benzo-, Naphtho-, and Anthraquinones Determined from Gas-Phase Equilibria Measurements,
J. Am. Chem. Soc., 1988, 110, 2, 400, https://doi.org/10.1021/ja00210a015
. [all data]
Notes
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- Symbols used in this document:
EA Electron affinity ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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