Propanoic acid, 2-methyl-

• Formula: C₄H₈O₂
• Molecular weight: 88.1051
• IUPAC Standard InChI: InChI=1S/C4H8O2/c1-3(2)4(5)6/h3H,1-2H3,(H,5,6) Copy

  
• IUPAC Standard InChIKey: KQNPFQTWMSNSAP-UHFFFAOYSA-N Copy
• CAS Registry Number: 79-31-2
• 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: Isobutyric acid; α-Methylpropanoic acid; α-Methylpropionic acid; Dimethylacetic acid; Isobutanoic acid; Isopropylformic acid; 2-Methylpropanoic acid; 2-Methylpropionic acid; iso-C3H7COOH; Acetic acid, dimethyl-; Cenex RP b2; Propionic acid, 2-methyl-; Tenox IBP 2; Kyselina isomaselna; UN 2529; Methylpropanoic acid; Methylpropionic acid; 2-Propanecarboxylic acid; i-Butyric acid; NSC 62780
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• Information on this page:
  • Normal alkane RI, non-polar column, temperature ramp
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • Henry's Law data
  • Gas phase ion energetics data
  • Ion clustering data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Gas Chromatography
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Normal alkane RI, non-polar column, temperature ramp

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, Normal alkane RI, non-polar column, temperature ramp, Notes

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

Leffingwell and Alford, 2011
Leffingwell, J.; Alford, E.D., Volatile constituents of the giant pufball mushroom (Calvatia gigantea), Leffingwell Rep., 2011, 4, 1-17. [all data]

Pino, Marquez, et al., 2010
Pino, J.A.; Marquez, E.; Quijano, C.E.; Castro, D., Volatile compounds in noni (Morinda citrifolia L.) at two ripening stages, Ciencia e Technologia de Alimentos, 2010, 30, 1, 183-187, https://doi.org/10.1590/S0101-20612010000100028 . [all data]

Radulovic, Blagojevic, et al., 2009
Radulovic, N.S.; Blagojevic, P.D.; Palic, R.M.; Zlatkovic, B.K.; Stevanovic, B.M., Volatiles from vegetative organs of the paleoendemic resurrection plants Ramonda serbica Panc. and Ramonda nathaliae Panc. at Petrov, J. Serb. Chem. Soc., 2009, 74, 1, 35-44, https://doi.org/10.2298/JSC0901035R . [all data]

Berdague, Tournayre, et al., 2007
Berdague, J.L.; Tournayre, P.; Cambou, S., Novel multi-gas chromatography?olfactometry device and software for the identification of odour-active compounds, J. Chromatogr. A, 2007, 1146, 1, 85-92, https://doi.org/10.1016/j.chroma.2006.12.102 . [all data]

Ramirez R. and Cava R., 2007
Ramirez R.; Cava R., Volatile profiles of dry-cured meat products from three different Iberian x Duroc genotypes, J. Agric. Food Chem., 2007, 55, 5, 1923-1931, https://doi.org/10.1021/jf062810l . [all data]

Pino, Marquez, et al., 2006
Pino, J.A.; Marquez, E.; Marbot, R., Volatile constituents from tea of roselle (Hibiscus sabdariffa L.), Rev. CENIC Ciencias Quimicas, 2006, 37, 3, 127-129. [all data]

Leffingwell and Alford, 2005
Leffingwell, J.C.; Alford, E.D., Volatile constituents of Perique tobacco, Electron. J. Environ. Agric. Food Chem., 2005, 4, 2, 899-915. [all data]

van Loon, Linssen, et al., 2005
van Loon, W.A.M.; Linssen, J.P.H.; Legger, A.; Posthumus, M.A.; Voragen, A.G.J., Identification and olfactometry of French fries flavour extracted at mouth conditions, Food Chem., 2005, 90, 3, 417-425, https://doi.org/10.1016/j.foodchem.2004.05.005 . [all data]

Zenkevich, 2005
Zenkevich, I.G., Experimentally measured retention indices., 2005. [all data]

Sebastian, Viallon-Fernandez, et al., 2003
Sebastian, I.; Viallon-Fernandez, C.; Berge, P.; Berdague, J.-L., Analysis of the volatile fraction of lamb fat tissue: influence of the type of feeding, Sciences des Aliments, 2003, 23, 4, 497-511, https://doi.org/10.3166/sda.23.497-511 . [all data]

Ngassoum, Jirovetz, et al., 2001
Ngassoum, M.B.; Jirovetz, L.; Buchbauer, G., SPME/GC/MS analysis of headspace aroma compounds of the Cameroonian fruit Tetrapleura tetraptera (Thonn.) Taub., Eur. Food Res. Technol., 2001, 213, 1, 18-21, https://doi.org/10.1007/s002170100330 . [all data]

Kotseridis and Baumes, 2000
Kotseridis, Y.; Baumes, R., Identification of impact odorants in Bordeaux red grape juice, in the commercial yeast used for its fermentation, and in the produced wine, J. Agric. Food Chem., 2000, 48, 2, 400-406, https://doi.org/10.1021/jf990565i . [all data]

Lopez, Ferreira, et al., 1999
Lopez, R.; Ferreira, V.; Hernandez, P.; Cacho, J.F., Identification of impact odorants of young red wines made with Merlot, Cabernet Sauvignon and Grenache grape varieties: a comparative study, J. Sci. Food Agric., 1999, 79, 11, 1461-1467, https://doi.org/10.1002/(SICI)1097-0010(199908)79:11<1461::AID-JSFA388>3.0.CO;2-K . [all data]

Kondjoyan, Viallon, et al., 1997
Kondjoyan, N.; Viallon, C.; Berdagué, J.L.; Daridan, D.; Simon, M.-N.; Legault, C., Analyse comparative de la fraction volatile de jambons secs de porcs Gascon et Large-White x Landrace Français, J. Rech. C.N.R.S., 1997, 29, 405-410, retrieved from http://www.rennes.inra.fr/srp/jrp/1997/97txtQualite/Q9704.pdf. [all data]

Robacker and Bartelt, 1997
Robacker, D.C.; Bartelt, R.J., Chemicals attractive to Mexican fruit fly from Klebsiella pneumoniae and Citrobacter freundii cultures sampled by solid-phase microextraction MICROEXTRACTION, J. Chem. Ecol., 1997, 23, 12, 2897-2915, https://doi.org/10.1023/A:1022579414233 . [all data]

Notes

Go To: Top, Normal alkane RI, non-polar column, temperature ramp, References

• Symbols used in this document:
  

  Tend	Final temperature
  Tstart	Initial temperature

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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