Benzaldehyde, 4-methyl-

• Formula: C₈H₈O
• Molecular weight: 120.1485
• IUPAC Standard InChI: InChI=1S/C8H8O/c1-7-2-4-8(6-9)5-3-7/h2-6H,1H3 Copy

  
• IUPAC Standard InChIKey: FXLOVSHXALFLKQ-UHFFFAOYSA-N Copy
• CAS Registry Number: 104-87-0
• 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.
• Species with the same structure:
  • Tolualdehyde
• Other names: p-Tolualdehyde; p-Formyltoluene; p-Methylbenzaldehyde; p-Toluylaldehyde; p-Tolylaldehyde; 4-Methylbenzaldehyde; 4-Tolualdehyde; Paratolualdehyde; PTAL; NSC 2224
• Information on this page:
  • Phase change data
  • Reaction thermochemistry data
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Gas phase ion energetics data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • UV/Visible spectrum
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
• Options:
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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 by: Robert L. Brown and Stephen E. Stein

Reaction thermochemistry 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: John E. Bartmess

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

C₈H₇O^- +  =

By formula: C₈H₇O^- + H⁺ = C₈H₈O

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

Kovats' RI, non-polar column, isothermal

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Kovats' RI, non-polar column, custom temperature program

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Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Van Den Dool and Kratz RI, polar column, temperature ramp

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

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Normal alkane RI, non-polar column, temperature ramp

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

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Normal alkane RI, polar column, temperature ramp

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Normal alkane RI, polar column, custom temperature program

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Lee's RI, non-polar column, custom temperature program

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References

Go To: Top, Phase change data, Reaction thermochemistry data, 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]

Kahn, Hehre, et al., 1984
Kahn, S.D.; Hehre, W.J.; Bartmess, J.E.; Caldwell, G., Effect of Metal Complexation on the Gas-phase Acidities of Alkylbenzenes, Organomet., 1984, 3, 11, 1740, https://doi.org/10.1021/om00089a024 . [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]

Maeck, Touabet, et al., 1989
Maeck, M.; Touabet, A.; Badjah Hadj Ahmed, A.Y.; Meklati, B.Y., A numerical interpolation of Kováts indices without dead time correction, Chromatographia, 1989, 27, 5/6, 205-208, https://doi.org/10.1007/BF02260447 . [all data]

Oszczapowicz, Osek, et al., 1985
Oszczapowicz, J.; Osek, J.; Ciszkowski, K.; Krawczyk, W.; Ostrowski, M., Retention Indices of Dimethylbenzamidines and Benzylideneamines on a Non-Polar Column, J. Chromatogr., 1985, 330, 79-85, https://doi.org/10.1016/S0021-9673(01)81964-6 . [all data]

Wehrli and Kováts, 1959
Wehrli, A.; Kováts, E., Gas-chromatographische Charakterisierung ogranischer Verbindungen. Teil 3: Berechnung der Retentionsindices aliphatischer, alicyclischer und aromatischer Verbindungen, Helv. Chim. Acta, 1959, 7, 7, 2709-2736, https://doi.org/10.1002/hlca.19590420745 . [all data]

Minyard, Tumlinson, et al., 1967
Minyard, J.P.; Tumlinson, J.H.; Thompson, A.C.; Hedin, P.A., Constituents of the cotton bud. The carbonyl compounds, J. Agric. Food Chem., 1967, 15, 3, 517-524, https://doi.org/10.1021/jf60151a021 . [all data]

Pino, Mesa, et al., 2005
Pino, J.A.; Mesa, J.; Muñoz, Y.; Martí, M.P.; Marbot, R., Volatile components from mango (Mangifera indica L.) cultivars, J. Agric. Food Chem., 2005, 53, 6, 2213-2223, https://doi.org/10.1021/jf0402633 . [all data]

Pino, Marbot, et al., 2004
Pino, J.A.; Marbot, R.; Vazquez, C., Volatile components of tamarind (Tamarindus indica L.) grown in Cuba, J. Essent. Oil Res., 2004, 16, 4, 318-320, https://doi.org/10.1080/10412905.2004.9698731 . [all data]

Pino, Marbot, et al., 2004, 2
Pino, J.A.; Marbot, R.; Rosado, A.; Vázquez, C., Volatile constituents of Malay rose apple [Syzygium malaccense (L.) Merr. Perry], Flavour Fragr. J., 2004, 19, 1, 32-35, https://doi.org/10.1002/ffj.1269 . [all data]

Pino, Marbot, et al., 2003
Pino, J.; Marbot, R.; Rosado, A.; Vázquez, C., Volatile constituents of fruits of Garcinia dulcis Kurz. from Cuba, Flavour Fragr. J., 2003, 18, 4, 271-274, https://doi.org/10.1002/ffj.1187 . [all data]

Xu, van Stee, et al., 2003
Xu, X.; van Stee, L.L.P.; Williams, J.; Beens, J.; Adahchour, M.; Vreuls, R.J.J.; Brinkman, U.A.Th.; Lelieveld, J., Comprehensive two-dimensional gas chromatography (GC×GC) measurements of volatile organic compounds in the atmosphere, Atmos. Chem. Phys., 2003, 3, 3, 665-682, https://doi.org/10.5194/acp-3-665-2003 . [all data]

Pino, Marbot, et al., 2002
Pino, J.; Marbot, R.; Rosado, A., Volatile constituents of star apple (Chrysophyllum cainito L.) from Cuba, Flavour Fragr. J., 2002, 17, 5, 401-403, https://doi.org/10.1002/ffj.1116 . [all data]

Chung, Yung, et al., 2001
Chung, H.Y.; Yung, I.K.S.; Kim, J.-S., Comparison of volatile components in dried scallops (Chlamys farreri and Patinopecten yessoensis) prepared by boiling and steaming methods, J. Agric. Food Chem., 2001, 49, 1, 192-202, https://doi.org/10.1021/jf000692a . [all data]

Alasalvar, Shahidi, et al., 2003
Alasalvar, C.; Shahidi, F.; Cadwallader, K.R., Comparison of natural and roasted Turkish Tombul hazelnut (Corylus avellana L.) volatiles and flavor by DHA/GC/MS and descriptive sensory analysis, J. Agric. Food Chem., 2003, 51, 17, 5067-5072, https://doi.org/10.1021/jf0300846 . [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]

Bendimerad and Bendiab, 2005
Bendimerad, N.; Bendiab, S.A.T., Composition and antibacterial activity of Pseudocytisus integrifolius (Salisb.) essential oil from Algeria, J. Agric. Food Chem., 2005, 53, 8, 2947-2952, https://doi.org/10.1021/jf047937u . [all data]

Pino, Marbot, et al., 2003, 2
Pino, J.A.; Marbot, R.; Fuentes, V., Characterization of volatiles in Bullock's heart (Annona reticulata L.) fruit cultivars from Cuba, J. Agric. Food Chem., 2003, 51, 13, 3836-3839, https://doi.org/10.1021/jf020733y . [all data]

Pino, Marbot, et al., 2002, 2
Pino, J.A.; Marbot, R.; Vazquez, C., Characterization of volatiles in Loquat fruit (Eriobotrya japonica Lindl.), Revista CENIC Ciencias Quimicas, 2002, 33, 3, 115-119. [all data]

Brun, Bessière, et al., 2001
Brun, G.; Bessière, J.-M.; Dijoux-Franca, M.-G.; David, B.; Mariotte, A.-M., Volatile components of Catharanthus roseus (L.) G. Don (Apocynaceae), Flavour Fragr. J., 2001, 16, 2, 116-119, https://doi.org/10.1002/ffj.958 . [all data]

Okumura, 1991
Okumura, T., retention indices of environmental chemicals on methyl silicone capillary column, Journal of Environmental Chemistry (Japan), 1991, 1, 2, 333-358, https://doi.org/10.5985/jec.1.333 . [all data]

Kurashov, Krylova, et al., 2013
Kurashov, E.A.; Krylova, Yu.V.; Mitrukova, G.G., Variations in component composition of essential oil of Potamogeton pusillus (Potamogetonaceae) dirong vegetation, Plant Resources (Rastitel'nye Resursy), 2013, 000-000. [all data]

Robinson, Adams, et al., 2012
Robinson, A.L.; Adams, D.O.; Boss, P.K.; Heymann, H.; Solomon, P.S.; Trengove, R.D., Influence of geographic origine on the sensory characteristics and wine composition of Vitus viniferas cv. Cabernet Sauvignon wines from Australia (Supplemental data), Am. J. Enol. Vitic., 2012, 64, 4, 467-476, https://doi.org/10.5344/ajev.2012.12023 . [all data]

VOC BinBase, 2012
VOC BinBase, The volatile compound BinBase (VOC BinBase), 2012, retrieved from http://fiehnlab.ucdavis.edu/projects/VocBinBase and http://binbase.sourceforge.net. [all data]

Skogerson, Wohlgemuth, et al., 2011
Skogerson, K.; Wohlgemuth, G.; Fiehn, O., VocBinNase, 2011, retrieved from http://fiehnlab.ucdavis.edu/projects//VocBinBase. [all data]

Ebrahimi and Hadjmohammadi, 2006
Ebrahimi, P.; Hadjmohammadi, M.R., Simultaneous modeling of the Kovats retention indices on phenyl OV stationary phases with different polarity using MLR and ANN, QSAR Comb. Sci., 2006, 25, 10, 836-845, https://doi.org/10.1002/qsar.200530145 . [all data]

Alissandrakis, Kibaris, et al., 2005
Alissandrakis, E.; Kibaris, A.C.; Tarantilis, P.A.; Harizanis, P.C.; Polissiou, M., Flavour compounds of Greek cotton honey, J. Sci. Food Agric., 2005, 85, 9, 1444-1452, https://doi.org/10.1002/jsfa.2124 . [all data]

Pino, Marbot, et al., 2005
Pino, J.A.; Marbot, R.; Rosado, A.; Vázquez, C., Volatile constituents of Malay rose apple [Syzygium malaccense (L.) Merr. Perry], Flavour Fragr. J., 2005, 20, 98-100. [all data]

Vinogradov, 2004
Vinogradov, B.A., Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]

Steullet and Guerin, 1994
Steullet, P.; Guerin, P.M., Identification of vertebrate volatiles stimulating olfactory receptors on tarsus I of the tick Amblyomma variegatum fabricus (Ixodidae). I. Receptors within the Haller's organ capsule, J. Comp. Physiol. A, 1994, 174, 1, 27-38, https://doi.org/10.1007/BF00192003 . [all data]

Seifert and King, 1982
Seifert, R.M.; King, A.D., Jr., Identification of some volatile constituents of Aspergillus clavatus, J. Agric. Food Chem., 1982, 30, 4, 786-790, https://doi.org/10.1021/jf00112a044 . [all data]

Welke, Manfroi, et al., 2012
Welke, J.E.; Manfroi, V.; Zanus, M.; Lazarotto, M.; Zini, C.A., Characterization of the volatile profile of Brazilian merlot wines through comprehensive two dimensional gas chromatography time-of-flight mass spectrometric detection, J. Chromatogr. A, 2012, 1226, 124-139, https://doi.org/10.1016/j.chroma.2012.01.002 . [all data]

Fuentes, Font, et al., 2007
Fuentes, M.J.; Font, R.; Gomez-Rico, M.F.; Martin-Gullon, I., Pyrolysis and combustion of waste lubricant oil from diesel cars: Decomposition and pollutants, J. Anal. Appl. Pyrolysis, 2007, 79, 1-2, 215-226, https://doi.org/10.1016/j.jaap.2006.12.004 . [all data]

Notes

Go To: Top, Phase change data, Reaction thermochemistry data, Gas Chromatography, References

• Symbols used in this document:
  

  Tboil	Boiling point
  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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