Benzaldehyde, 3-methoxy-
- Formula: C8H8O2
- Molecular weight: 136.1479
- IUPAC Standard InChIKey: WMPDAIZRQDCGFH-UHFFFAOYSA-N
- CAS Registry Number: 591-31-1
- 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-Anisaldehyde; m-Methoxybenzaldehyde; 3-Anisaldehyde; 3-Methoxybenzaldehyde; Metamethoxybenzaldehyde
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Gas phase ion energetics data
Go To: Top, Mass spectrum (electron ionization), 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
View reactions leading to C8H8O2+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 844.1 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 812.2 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
0.429 ± 0.043 | ECD | Wentworth, Kao, et al., 1975 | B |
Mass spectrum (electron ionization)
Go To: Top, Gas phase ion energetics data, 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 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. |
---|---|
Origin | Japan AIST/NIMC Database- Spectrum MS-NW- 750 |
NIST MS number | 228630 |
Gas Chromatography
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), 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-101 | 140. | 1178.6 | Righezza, Hassani, et al., 1996 | N2, Chromosorb G HP; Column length: 5. m |
Packed | OV-101 | 160. | 1187.8 | Hassani and Meklati, 1992 | N2, Chromosorb G HP; Column length: 5. m |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-5MS | 1196.3 | Andriamaharavo, 2014 | 30. m/0.25 mm/0.25 μm, He; Program: 60C (1 min) => 5 C/min => 210C => 10 C/min => 280C (15 min) |
Capillary | DB-5MS | 1176. | Varlet V., Knockaert C., et al., 2006 | 30. m/0.32 mm/0.5 μm, He; Program: 70C(1min) => 3C/min => 80C(1min) => 5C/min => 150C => 10C/min => 280C (4min) |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 | 1194. | Tellez, Khan, et al., 2002 | 30. m/0.25 mm/0.25 μm, He, 3. K/min; Tstart: 60. C; Tend: 240. C |
References
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), 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]
Wentworth, Kao, et al., 1975
Wentworth, W.E.; Kao, L.W.; Becker, R.S.,
Electron affinities of substituted aromatic compounds,
J. Phys. Chem., 1975, 79, 1161. [all data]
Righezza, Hassani, et al., 1996
Righezza, M.; Hassani, A.; Meklati, B.Y.; Chrétien, J.R.,
Quantitative structure-retention relationships (QSRR) of congeneric aromatics series studied on phenyl OV phases in gas chromatography,
J. Chromatogr. A, 1996, 723, 1, 77-91, https://doi.org/10.1016/0021-9673(95)00816-0
. [all data]
Hassani and Meklati, 1992
Hassani, A.; Meklati, B.Y.,
Gas chromatographic behaviour of monosubstituted benzenes, benzaldehydes and acetophenones on OV polymethylphenyl-silicone stationary phases,
Chromatographia, 1992, 33, 5/6, 267-271, https://doi.org/10.1007/BF02276193
. [all data]
Andriamaharavo, 2014
Andriamaharavo, N.R.,
Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2014. [all data]
Varlet V., Knockaert C., et al., 2006
Varlet V.; Knockaert C.; Prost C.; Serot T.,
Comparison of odor-active volatile compounds of fresh and smoked salmon,
J. Agric. Food Chem., 2006, 54, 9, 3391-3401, https://doi.org/10.1021/jf053001p
. [all data]
Tellez, Khan, et al., 2002
Tellez, M.R.; Khan, I.A.; Kobaisy, M.; Schrader, K.K.; Dayan, F.E.; Osbrink, W.,
Composition of the essential oil of Lepidium meyenii (Walp.),
Phytochemistry, 2002, 61, 2, 149-155, https://doi.org/10.1016/S0031-9422(02)00208-X
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
EA Electron affinity - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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