Propanal, 2-methyl-

• Formula: C₄H₈O
• Molecular weight: 72.1057
• IUPAC Standard InChI: InChI=1S/C4H8O/c1-4(2)3-5/h3-4H,1-2H3 Copy

  
• IUPAC Standard InChIKey: AMIMRNSIRUDHCM-UHFFFAOYSA-N Copy
• CAS Registry Number: 78-84-2
• 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: Isobutyraldehyde; α-Methylpropionaldehyde; Isobutanal; Isopropylaldehyde; Isopropylformaldehyde; 2-Methylpropanal; 2-Methylpropionaldehyde; iso-C3H7CHO; Isobutylaldehyde; Isobutyric aldehyde; 2-Methyl-1-propanal; Isobutyraldehyd; Propionaldehyde, 2-methyl-; Valine aldehyde; Isobutaldehyde; Isobutyryl aldehyde; Methyl propanal; NCI-C60968; UN 2045; Isobutyral; NSC 6739; 2-methylpropanal (isobutanal)
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Van Den Dool and Kratz RI, non-polar column, custom temperature program
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
• Data at other public NIST sites:
  • Computational Chemistry Comparison and Benchmark Database
  • Gas Phase Kinetics Database
• Options:
  • Switch to calorie-based units

Data at NIST subscription sites:

• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.

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

Go To: Top, 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

References

Go To: Top, Van Den Dool and Kratz RI, non-polar column, custom temperature program, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Bonaiti, Irlinger, et al., 2005
Bonaiti, C.; Irlinger, F.; Spinnler, H.E.; Engel, E., An iterative sensory procedure to select odor-active associations in complex consortia of microorganisms: application to the construction of a cheese model, J. Dairy Sci., 2005, 88, 5, 1671-1684, https://doi.org/10.3168/jds.S0022-0302(05)72839-3 . [all data]

Klesk and Qian, 2003
Klesk, K.; Qian, M., Aroma extract dilution analysis of Cv. Marion (Rubus spp. hyb) and Cv. Evergreen (R. Iaciniatus L.) blackberries, J. Agric. Food Chem., 2003, 51, 11, 3436-3441, https://doi.org/10.1021/jf0262209 . [all data]

Klesk and Qian, 2003, 2
Klesk, K.; Qian, M., Preliminary aroma comparison of Marion (Rubus spp. hyb) and Evergreen (R. laciniatus L.) blackberries by dynamic headspace/OSME technique, J. Food Sci., 2003, 68, 2, 697-700, https://doi.org/10.1111/j.1365-2621.2003.tb05734.x . [all data]

Place, Imhof, et al., 2003
Place, R.B.; Imhof, M.; Teuber, M.; Olivier Bosset, J., Distribution of the volatile (flavour) compounds in Raclette cheese produced with different staphylococci in the smear, Mitt. Lebensmittelunters. Hyg., 2003, 94, 192-211. [all data]

Carrapiso, Jurado, et al., 2002
Carrapiso, A.I.; Jurado, Á.; Timón, M.L.; García, C., Odor-active compounds of Iberian hams with different aroma characteristics, J. Agric. Food Chem., 2002, 50, 22, 6453-6458, https://doi.org/10.1021/jf025526c . [all data]

Carrapiso, Ventanas, et al., 2002
Carrapiso, A.I.; Ventanas, J.; García, C., Characterization of the most odor-active compounds of Iberian ham headspace, J. Agric. Food Chem., 2002, 50, 7, 1996-2000, https://doi.org/10.1021/jf011094e . [all data]

Zehentbauer and Reineccius, 2002
Zehentbauer, G.; Reineccius, G.A., Determination of key aroma components of cheddar cheese using dynamic headspace dilution assay, Flavour Fragr. J., 2002, 17, 4, 300-305, https://doi.org/10.1002/ffj.1102 . [all data]

Mutti and Grosch, 1999
Mutti, B.; Grosch, W., Potent odorants of boiled potatoes, Nahrung, 1999, 43, 5, 302-306, https://doi.org/10.1002/(SICI)1521-3803(19991001)43:5<302::AID-FOOD302>3.0.CO;2-8 . [all data]

Fickert and Schieberle, 1998
Fickert, B.; Schieberle, P., Identification of the key odorants in barley malt (caramalt) using GC/MS techniques and odour dilution analyses, Nahrung, 1998, 42, 6, 371-375, https://doi.org/10.1002/(SICI)1521-3803(199812)42:06<371::AID-FOOD371>3.0.CO;2-V . [all data]

Kubícková and Grosch, 1997
Kubícková, J.; Grosch, W., Evaluation of potent odorants of camembert cheese by dilution and concentration techniques, Int. Dairy J., 1997, 7, 1, 65-70, https://doi.org/10.1016/S0958-6946(96)00044-1 . [all data]

Münch, Hofmann, et al., 1997
Münch, P.; Hofmann, T.; Schieberle, P., Comparison of key odorants generated by thermal treatment of commercial and self-prepared yeast extracts: influence of the amino acid composition on odorant formation, J. Agric. Food Chem., 1997, 45, 4, 1338-1344, https://doi.org/10.1021/jf960658p . [all data]

Notes

Go To: Top, Van Den Dool and Kratz RI, non-polar column, custom temperature program, References

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
• The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
• Customer support for NIST Standard Reference Data products.