Benzene, 1,3,5-trimethoxy-
- Formula: C9H12O3
- Molecular weight: 168.1898
- IUPAC Standard InChI: InChI=1S/C9H12O3/c1-10-7-4-8(11-2)6-9(5-7)12-3/h4-6H,1-3H3
- IUPAC Standard InChIKey: LKUDPHPHKOZXCD-UHFFFAOYSA-N
- CAS Registry Number: 621-23-8
- 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: Phloroglucinol trimethyl ether; 1,3,5-Trimethoxybenzene; 1,3,5-Trimethyoxybenzene; O,O,O-1,3,5-trimethylresorcinol
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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:
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 528.7 | K | N/A | Weast and Grasselli, 1989 | BS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔvapH° | 16.3 ± 0.48 | kcal/mol | CGC | Nichols, Orf, et al., 2000 | AC |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔsubH° | 24.04 ± 0.45 | kcal/mol | C | Matos, Miranda, et al., 2000 | AC |
Enthalpy of sublimation
| ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 27.72 ± 0.45 | 375. | C | Matos, Miranda, et al., 2000 | AC |
Gas Chromatography
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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
Van Den Dool and Kratz RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-5 | 1405. | Nogueira, Bittrich, et al., 2001 | 30. m/0.25 mm/0.25 μm, H2, 3. K/min; Tstart: 60. C; Tend: 240. C |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | VF-5MS | 1418.3 | Tret'yakov, 2008 | 30. m/0.25 mm/0.25 μm, He; Program: Multi-step temperature program; T(initial)=60C; T(final)=270C |
Normal alkane RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Innowax | 2172. | Joichi, Yomogida, et al., 2005 | 60. m/0.25 mm/0.25 μm, He, 5. K/min, 240. C @ 30. min; Tstart: 60. C |
References
Go To: Top, Phase change data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Nichols, Orf, et al., 2000
Nichols, Gary; Orf, Jennifer; Reiter, Sarah M.; Chickos, James; Gokel, George W.,
The vaporization enthalpies of some crown and polyethers by correlation gas chromatography,
Thermochimica Acta, 2000, 346, 1-2, 15-28, https://doi.org/10.1016/S0040-6031(99)00405-0
. [all data]
Matos, Miranda, et al., 2000
Matos, M.A.R.; Miranda, M.S.; Morais, V.M.F.,
Calorimetric and Theoretical Determination of Standard Enthalpies of Formation of Dimethoxy- and Trimethoxybenzene Isomers,
J. Phys. Chem. A, 2000, 104, 40, 9260-9265, https://doi.org/10.1021/jp001928g
. [all data]
Nogueira, Bittrich, et al., 2001
Nogueira, P.C.L.; Bittrich, V.; Shepherd, G.J.; Lopes, A.V.; Marsaioli, A.J.,
The ecological and taxonomic importance of flower volatiles of Clusia species (Guttiferae),
Phytochemistry, 2001, 56, 5, 443-452, https://doi.org/10.1016/S0031-9422(00)00213-2
. [all data]
Tret'yakov, 2008
Tret'yakov, K.V.,
Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2008. [all data]
Joichi, Yomogida, et al., 2005
Joichi, A.; Yomogida, K.; Awano, K.; Ueda, Y.,
Volatile components of tea-scented modern roses and ancient Chinese roses,
Flavour Fragr. J., 2005, 20, 2, 152-157, https://doi.org/10.1002/ffj.1388
. [all data]
Notes
Go To: Top, Phase change data, Gas Chromatography, References
- Symbols used in this document:
Tboil Boiling point ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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