Benzaldehyde, 2,4-dimethyl-


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

Reduced pressure boiling point

Tboil (K) Pressure (bar) Reference Comment
376.00.019Aldrich Chemical Company Inc., 1990BS
372.20.013Weast and Grasselli, 1989BS

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
57.4373.AStephenson and Malanowski, 1987Based on data from 358. to 489. K.; AC

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: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

View reactions leading to C9H10O+ (ion structure unspecified)

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C7H7+11.2?EISchwarz, Bohlmann, et al., 1973 

IR Spectrum

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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

Gas Phase Spectrum

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IR spectrum
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Additional Data

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Owner NIST Standard Reference Data Program
Collection (C) 2018 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Sadtler Research Labs Under US-EPA Contract
State gas

This IR spectrum is from the NIST/EPA Gas-Phase Infrared Database .


Mass spectrum (electron ionization)

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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

Spectrum

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Mass 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-IW- 589
NIST MS number 239029

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


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

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Column type Active phase I Reference Comment
CapillaryHP-51180.Flamini, Luigi Cioni, et al., 200430. m/0.25 mm/0.25 μm, N2, 60. C @ 10. min, 5. K/min; Tend: 220. C
CapillaryDB-51180.Flamini, Cioni, et al., 200330. m/0.25 mm/0.25 μm, He, 3. K/min; Tstart: 60. C; Tend: 240. C

Van Den Dool and Kratz RI, polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillaryCP-Wax 52CB1742.Romeo, Ziino, et al., 200760. m/0.25 mm/0.25 μm, He; Program: 45C(5min) => 10C/min => 80C => 2C/min => 240C

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryHP-5 MS1181.Radulovic, Blagojevic, et al., 201030. m/0.25 mm/0.25 μm, Helium, 5. K/min, 290. C @ 10. min; Tstart: 70. C
CapillaryHP-5 MS1178.Radulovic, Dordevic, et al., 201030. m/0.25 mm/0.25 μm, Helium, 5. K/min, 290. C @ 10. min; Tstart: 70. C
CapillaryOV-1011139.Misharina, Golovnya, et al., 199150. m/0.32 mm/0.5 μm, He, 4. K/min; Tstart: 50. C; Tend: 250. C
CapillaryDB-11143.Habu, Flath, et al., 19853. K/min; Column length: 50. m; Column diameter: 0.32 mm; Tstart: 0. C; Tend: 250. C
CapillaryDB-11140.Habu, Flath, et al., 19853. K/min; Column length: 50. m; Column diameter: 0.32 mm; Tstart: 50. C; Tend: 250. C

Normal alkane RI, non-polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillarySLB-5 MS1182.Mondello, 201230. m/0.25 mm/0.25 μm, Helium; Program: not specified
CapillarySLB-5 MS1190.Mondello, 201230. m/0.25 mm/0.25 μm, Helium; Program: not specified
CapillaryHP-51175.Dou, Li, et al., 200730. m/0.32 mm/0.25 μm, He; Program: 40 0C (2 min) 110 0C (2 min) 3 0C/min -> 170 0C (2 min) 4 0C/min -> 220 0C (2 min) 10 0C/min -> 260 0C (5 min)
CapillaryCP Sil 8 CB1217.Meekijjaroenroj, Bessière, et al., 200730. m/0.25 mm/0.25 μm, He; Program: 50C(3min) => 3C/min => 100C => 2.7C/min => 140C => 2.4C/min => 180C => 6C/min => 250C

Normal alkane RI, polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryDB-Wax1710.Alves and Franco, 200330. m/0.25 mm/0.5 μm, H2, 50. C @ 10. min, 3. K/min, 200. C @ 10. min

References

Go To: Top, Phase change data, Gas phase ion energetics data, IR Spectrum, 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.

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [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]

Schwarz, Bohlmann, et al., 1973
Schwarz, H.; Bohlmann, F.; Vorlaender, W., Elektronenstossinduzierte fragmenterung von polymethylbenzaldehyden. III. Bildung und zerfall des formyltropylium-dimethylbenzaldehyd, Org. Mass Spectrom., 1973, 7, 1005. [all data]

Flamini, Luigi Cioni, et al., 2004
Flamini, G.; Luigi Cioni, P.; Morelli, I., Essential oils of Galeopsis pubescens and G. tetrahit from Tuscany (Italy), Flavour Fragr. J., 2004, 19, 4, 327-329, https://doi.org/10.1002/ffj.1307 . [all data]

Flamini, Cioni, et al., 2003
Flamini, G.; Cioni, P.L.; Morelli, I.; Ceccarini, L.; Andolfi, L.; Macchia, M., Composition of the essential oil of Medicago marina L. from the coastal dunes of Tuscany, Italy, Flavour Fragr. J., 2003, 18, 5, 460-462, https://doi.org/10.1002/ffj.1253 . [all data]

Romeo, Ziino, et al., 2007
Romeo, V.; Ziino, M.; Giuffrrida, D.; Condurso, C.; Verzera, A., Flavour profile of capers (Capparis spinosa L.) from the Eolian Archipelago by HS-SPME/GC?MS, Food Chem., 2007, 101, 3, 1272-1278, https://doi.org/10.1016/j.foodchem.2005.12.029 . [all data]

Radulovic, Blagojevic, et al., 2010
Radulovic, N.; Blagojevic, P.; Palic, R., Comparative study of the leaf volatiles of Arctostaphylos uva-ursi (L.) Spreng. and Vaccinium vitis-idaea L. (Ericaceae), Molecules, 2010, 15, 9, 6168-6185, https://doi.org/10.3390/molecules15096168 . [all data]

Radulovic, Dordevic, et al., 2010
Radulovic, N.; Dordevic, N.; Markovic, M.; Palic, R., Volatile constituents of Glechoma Hirsuta Waldst. Kit. and G. Hederacea L. (Lamiaceae), Bull. Chem. Soc. Ethiop., 2010, 24, 1, 67-76, https://doi.org/10.4314/bcse.v24i1.52962 . [all data]

Misharina, Golovnya, et al., 1991
Misharina, T.A.; Golovnya, R.V.; Charnomskii, V.V., Volatile components of boiled shrimp funchalia woodwardi and crab geryon maritae, Zh. Anal. Khim., 1991, 46, 1421-1429. [all data]

Habu, Flath, et al., 1985
Habu, T.; Flath, R.A.; Mon, T.R.; Morton, J.F., Volatile components of Rooibos tea (Aspalathus linearis), J. Agric. Food Chem., 1985, 33, 2, 249-254, https://doi.org/10.1021/jf00062a024 . [all data]

Mondello, 2012
Mondello, L., HS-SPME-GCxGC-MS analysis of Yerba Mate (Ilex paraguariensis) in Shimadzu GC-GC application compendium of comprehensive 2D GC, Vol. 1-5, Shimadzu Corp., 2012, 1-29. [all data]

Dou, Li, et al., 2007
Dou, H.-L.; Li, C.-M.; Gu, H.-F.; Hao, J.-F., Comparative analysis on aromatic components of green tea and fresh green tea beverage using HS-SPME/GC-MS/GC-olfactometry/RI methods, Journal of Tea Science, 2007, 27, 1, 51-60. [all data]

Meekijjaroenroj, Bessière, et al., 2007
Meekijjaroenroj, A.; Bessière, J.-M.; Anstett, M.-C., Chemistry of floral scents in four Licuala species (Arecaceae), Flavour Fragr. J., 2007, 22, 4, 300-310, https://doi.org/10.1002/ffj.1797 . [all data]

Alves and Franco, 2003
Alves, G.L.; Franco, M.R.B., Headspace gas chromatography-mass spectrometry of volatile compounds in murici (Byrsonima crassifolia L. Rich), J. Chromatogr. A, 2003, 985, 1-2, 297-301, https://doi.org/10.1016/S0021-9673(02)01398-5 . [all data]


Notes

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