Benzoic acid, 3-hydroxy-, methyl ester
- Formula: C8H8O3
- Molecular weight: 152.1473
- IUPAC Standard InChI: InChI=1S/C8H8O3/c1-11-8(10)6-3-2-4-7(9)5-6/h2-5,9H,1H3
- IUPAC Standard InChIKey: YKUCHDXIBAQWSF-UHFFFAOYSA-N
- CAS Registry Number: 19438-10-9
- 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: Benzoic acid, m-hydroxy-, methyl ester; m-Carbomethoxyphenol; m-Hydroxybenzoic acid methyl ester; Methyl m-hydroxybenzoate; Methyl m-oxybenzoate; Methyl 3-hydroxybenzoate; 3-Hydroxybenzoic acid methyl ester; 3-HO-C6H4-COOCH3; NSC 40536; 3-(Methoxycarbonyl)phenol
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Gas phase ion energetics data
Go To: Top, Gas Chromatography, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
B - John E. Bartmess
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Proton affinity (review) | 850.0 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
| Quantity | Value | Units | Method | Reference | Comment |
| Gas basicity | 819.1 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
De-protonation reactions
C8H7O3- + =
By formula: C8H7O3- + H+ = C8H8O3
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1438. ± 8.8 | kJ/mol | G+TS | Fujio, McIver, et al., 1981 | gas phase; B |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 1410. ± 8.4 | kJ/mol | IMRE | Fujio, McIver, et al., 1981 | gas phase; B |
Gas Chromatography
Go To: Top, Gas phase ion energetics 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Packed | OV-1 | 150. | 1389. | Fedoreev and Maksimov, 1977 | Gaschrom; Column length: 1.5 m |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | BP-1 | 1415. | Tan, Wilkins, et al., 1989 | H2, 40. C @ 2. min, 4. K/min, 240. C @ 75. min; Column length: 12. m |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | CP Sil 5 CB | 1384. | Jayasekara, Stevenson, et al., 2002 | He, 60. C @ 2. min, 6. K/min; Column length: 25. m; Column diameter: 0.25 mm; Tend: 230. C |
| Capillary | HP-101 | 1365. | Milso, Mastelic, et al., 1998 | 25. m/0.2 mm/0.2 μm, He, 70. C @ 2. min, 3. K/min, 200. C @ 10. min |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-1 | 1429. | Rowland, Blackman, et al., 1995 | 25. m/0.25 mm/0.25 μm; Program: 30 0C (4 min) 6 K/min -> 200 0C 15 K/min -> 250 0C (20 min) |
Normal alkane RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-20M | 2012. | Milso, Mastelic, et al., 1998 | 50. m/0.2 mm/0.2 μm, He, 70. C @ 4. min, 4. K/min, 180. C @ 10. min |
References
Go To: Top, Gas phase ion energetics data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Fujio, McIver, et al., 1981
Fujio, M.; McIver, R.T., Jr.; Taft, R.W.,
Effects on the acidities of phenols from specific substituent-solvent interactions. Inherent substituent parameters from gas phase acidities,
J. Am. Chem. Soc., 1981, 103, 4017. [all data]
Fedoreev and Maksimov, 1977
Fedoreev, S.A.; Maksimov, O.B.,
The study of the composition of aromatic esters by gas-liquid chromatography,
Solid Fuel Chem. (Engl. Transl.), 1977, 17-22. [all data]
Tan, Wilkins, et al., 1989
Tan, S.T.; Wilkins, A.L.; Holland, P.T.; McGhie, T.K.,
Extractives from New Zealand unifloral honeys. 2. Degraded carotenoids and other substances from heather honey,
J. Agric. Food Chem., 1989, 37, 5, 1217-1221, https://doi.org/10.1021/jf00089a004
. [all data]
Jayasekara, Stevenson, et al., 2002
Jayasekara, T.K.; Stevenson, P.C.; Belmain, S.R.; Farman, D.I.; Hall, D.R.,
Identification of methyl salicylate as the principal volatile component in the methanol extract of root bark of Securidaca longepedunculata Fers,
J. Mass Spectrom., 2002, 37, 6, 577-580, https://doi.org/10.1002/jms.314
. [all data]
Milso, Mastelic, et al., 1998
Milso, M.; Mastelic, J.; Radonic, A.,
Free and glycosidically bound volatile compounds from cypress cones (Cupressus Sempervirens L.),
Croat. Chem. Acta, 1998, 71, 1, 139-145. [all data]
Rowland, Blackman, et al., 1995
Rowland, C.Y.; Blackman, A.J.; D'Arcy, B.R.; Rintoul, G.B.,
Comparison of organic extractives found in leatherwood (Eucryphia lucida) honey and leatherwood flowers and leaves,
J. Agric. Food Chem., 1995, 43, 3, 753-763, https://doi.org/10.1021/jf00051a036
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Gas Chromatography, References
- Symbols used in this document:
ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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