Vanillin
- Formula: C8H8O3
- Molecular weight: 152.1473
- IUPAC Standard InChIKey: MWOOGOJBHIARFG-UHFFFAOYSA-N
- CAS Registry Number: 121-33-5
- 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: Benzaldehyde, 4-hydroxy-3-methoxy-; p-Hydroxy-m-methoxybenzaldehyde; Lioxin; Vanillaldehyde; Vanillic aldehyde; 2-Methoxy-4-formylphenol; 3-Methoxy-4-hydroxybenzaldehyde; 4-Formyl-2-methoxyphenol; 4-Hydroxy-3-methoxybenzaldehyde; 4-Hydroxy-5-methoxybenzaldehyde; Vanilla; m-Anisaldehyde, 4-hydroxy-; Protocatechualdehyde, methyl-; Zimco; 4-Hydroxy-m-anisaldehyde; p-Vanillin; m-Methoxy-p-hydroxybenzaldehyde; Methylprotocatechuic aldehyde; Vanilin; NSC 15351; Methylprotcatechuic aldehyde; 4-hydroxy-3-methoxybenzaldehyde (vanillin); vanillin (3-methoxy-4-hydroxy- benzaldehyde); 3-Methoxy-4-hydroxybenzaldehyde (vanillin)
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Condensed phase thermochemistry data
Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔcH°solid | -3828. | kJ/mol | Ccb | Swietoslawski and Starczewska, 1928 | Heat of combustion corrected for constant pressure; Corresponding ΔfHºsolid = -463.6 kJ/mol (simple calculation by NIST; no Washburn corrections) |
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
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tfus | 355.1 ± 0.9 | K | AVG | N/A | Average of 7 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 66.9 | kJ/mol | GC | Hoskovec, Grygarová, et al., 2005 | Based on data from 353. to 463. K.; AC |
Reduced pressure boiling point
Tboil (K) | Pressure (bar) | Reference | Comment |
---|---|---|---|
443.2 | 0.020 | Weast and Grasselli, 1989 | BS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
66.9 | 395. | A | Stephenson and Malanowski, 1987 | Based on data from 380. to 558. K. See also Stull, 1947.; AC |
Enthalpy of sublimation
ΔsubH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
88.7 | 323. | Serpinskii, Voitkevich, et al., 1953 | Based on data from 293. to 353. K. See also Jones, 1960.; AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
22.4 | 355.4 | N/A | Temprado, Roux, et al., 2008 | AC |
IR Spectrum
Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), UV/Visible spectrum, References, Notes
Data compiled by: Coblentz Society, Inc.
- SOLID (KBr PELLET); PERKIN-ELMER; DIGITIZED BY NIST FROM HARD COPY; 4 cm-1 resolution
- SOLID (MINERAL OIL MULL); PERKIN-ELMER; DIGITIZED BY NIST FROM HARD COPY; 4 cm-1 resolution
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Mass spectrum (electron ionization)
Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, UV/Visible spectrum, 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 | NIST Mass Spectrometry Data Center, 1998. |
NIST MS number | 290719 |
UV/Visible spectrum
Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, 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.
Spectrum
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Additional Data
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Source | Robinson and Kiang, 1955 |
---|---|
Owner | INEP CP RAS, NIST OSRD Collection (C) 2007 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
Origin | INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS |
Source reference | RAS UV No. 3633 |
Instrument | n.i.g. |
Melting point | 81.5 |
Boiling point | 285 |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Swietoslawski and Starczewska, 1928
Swietoslawski, W.; Starczewska, H.,
Influence of certain corrections on the results of measurements of the heat of combustion of organic substances,
Bull. Int. Acad. Pol. Sci. Lett. Cl. Med., 1928, 85-97. [all data]
Hoskovec, Grygarová, et al., 2005
Hoskovec, Michal; Grygarová, Dana; Cvacka, Josef; Streinz, Ludvík; Zima, Jirí; Verevkin, Sergey P.; Koutek, Bohumír,
Determining the vapour pressures of plant volatiles from gas chromatographic retention data,
Journal of Chromatography A, 2005, 1083, 1-2, 161-172, https://doi.org/10.1016/j.chroma.2005.06.006
. [all data]
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]
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]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Serpinskii, Voitkevich, et al., 1953
Serpinskii, V.V.; Voitkevich, S.A.; Lyuboshits, N.Y.,
Zh. Fiz. Khim., 1953, 27, 1032. [all data]
Jones, 1960
Jones, A.H.,
Sublimation Pressure Data for Organic Compounds.,
J. Chem. Eng. Data, 1960, 5, 2, 196-200, https://doi.org/10.1021/je60006a019
. [all data]
Temprado, Roux, et al., 2008
Temprado, M.; Roux, María Victoria; Chickos, J.S.,
Some thermophysical properties of several solid aldehydes,
J Therm Anal Calorim, 2008, 94, 1, 257-262, https://doi.org/10.1007/s10973-007-8883-0
. [all data]
Robinson and Kiang, 1955
Robinson, R.A.; Kiang, A.K.,
Trans. Faraday Soc., 1955, 51, 1398. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfusH Enthalpy of fusion ΔsubH Enthalpy of sublimation ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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