2,6-Octadienal, 3,7-dimethyl-

• Formula: C₁₀H₁₆O
• Molecular weight: 152.2334
• IUPAC Standard InChI: InChI=1S/C10H16O/c1-9(2)5-4-6-10(3)7-8-11/h5,7-8H,4,6H2,1-3H3 Copy

  
• IUPAC Standard InChIKey: WTEVQBCEXWBHNA-UHFFFAOYSA-N Copy
• CAS Registry Number: 5392-40-5
• 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.
• Stereoisomers:
  • 2,6-Octadienal, 3,7-dimethyl-, (Z)-
  • 2,6-Octadienal, 3,7-dimethyl-, (E)-
• Other names: Citral; 3,7-Dimethyl-2,6-octadienal; Citral,c&t; cis,trans-Citral; NCI-C56348; 3,7-Dimethyl-1,2,6-octadienal; cis-Citral; Citral (cis and trans); Citral acis-3,7-dimethyl-2,6-octadienal; Lemarome n; Neral; Z-3,7-Dimethyl-2,6-octadiene-1-al; (2E)-3,7-Dimethyl-2,6-octadienal; 3,7-Dimethyl-2,6-octadiene-1-al; 3,7-Dimethyl-2,6-octadien-1-al; Lemsyn GB; NSC 6170
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Condensed phase thermochemistry data
  • Phase change data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
• 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.

Condensed phase thermochemistry data

Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, 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: Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of liquid

Phase change data

Go To: Top, Condensed phase thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References, Notes

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

IR Spectrum

Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, References, Notes

Data compiled by: Coblentz Society, Inc.

• SOLUTION (10% IN CCl4 FOR 4000-1330 CM^-1, 10% IN CS2 FOR 1360-600 CM^-1); BECKMAN IR-7 (GRATING); DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm^-1 resolution

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

• gas; HP-GC/MS/IRD

Mass spectrum (electron ionization)

Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Gas Chromatography, 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

Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.

For Zoom

1.) Enter the desired X axis range (e.g., 100, 200)

2.) Check here for automatic Y scaling

3.) Press here to zoom

Additional Data

Gas Chromatography

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.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Kovats' RI, non-polar column, temperature ramp

View large format table.

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

View large format table.

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

View large format table.

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

View large format table.

Normal alkane RI, non-polar column, temperature ramp

View large format table.

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

View large format table.

Normal alkane RI, polar column, temperature ramp

View large format table.

Normal alkane RI, polar column, custom temperature program

View large format table.

References

Go To: Top, Condensed phase thermochemistry data, Phase change 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.

Karabaev, Igamberdyev, et al., 1982
Karabaev, M.K.; Igamberdyev, Kh.T.; Abduzhaminov, T.A.; Turdiev, N.Sh.; Khabibullaev, B.K., Thermophysical and kinetic properties of citral, Izv. Akad. Nauk Uzb. SSR, Ser. Fiz.-Mat. Nauk, 1982, (4), 46-49. [all data]

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

Clara, Marigliano, et al., 2009
Clara, Rene A.; Marigliano, Ana C. Gomez; Solimo, Horacio N., Density, Viscosity, and Refractive Index in the Range (283.15 to 353.15) K and Vapor Pressure of α-Pinene, d -Limonene, (±)-Linalool, and Citral Over the Pressure Range 1.0 kPa Atmospheric Pressure, J. Chem. Eng. Data, 2009, 54, 3, 1087-1090, https://doi.org/10.1021/je8007414 . [all data]

Marin, Acree, et al., 1992
Marin, A.B.; Acree, T.E.; Hotchkiss, J.H.; Nagy, S., Gas chromatography--olfactometry of orange juice to assess the effects of plastic polymers on aroma character, J. Agric. Food Chem., 1992, 40, 4, 650-654, https://doi.org/10.1021/jf00016a026 . [all data]

Ramsey, Lee, et al., 1980
Ramsey, J.D.; Lee, T.D.; Osselton, M.D.; Moffat, A.C., Gas-liquid chromatographic retention indices of 296 non-drug substances on SE-30 or OV-1 likely to be encountered in toxicological analyses, J. Chromatogr., 1980, 184, 2, 185-206, https://doi.org/10.1016/S0021-9673(00)85641-1 . [all data]

Chang, Sheng, et al., 1989
Chang, L.P.; Sheng, L.S.; Yang, M.Z.; An, D.K., Retention index of essential oil in temperature-programmed capillary column gas chromatography, Acta Pharm. Sin., 1989, 24, 11, 847-852. [all data]

Safaei-Ghomi, Meshkatalsadat, et al., 2010
Safaei-Ghomi, J.; Meshkatalsadat, M.H.; Asadi, M., Analysis of the essential oil of Salvia brachycalyx Boiss. by nano scale injection and antioxidative activity of methanol extract of this plant, Digest J. Nanomaterials and Biostructures, 2010, 5, 2, 545-549. [all data]

Xu, Tang, et al., 2010
Xu, X.; Tang, Z.; Liang, Y., Comparative analysis of plant essential oils by GC-MS coupled with integrated chemometric resolution methods, Anal. Methods, 2010, 2, 4, 359-367, https://doi.org/10.1039/b9ay00213h . [all data]

Kamath, Asha, et al., 2001
Kamath, A.; Asha, M.R.; Ravi, R.; Narasimhan, S.; Rajalakshmi, D., Comparative study of odour and GC-olfactometric profiles of selected essential oils, Flavour Fragr. J., 2001, 16, 6, 401-407, https://doi.org/10.1002/ffj.1020 . [all data]

Kim, Kim, et al., 2000
Kim, H.-J.; Kim, K.; Kim, N.-S.; Lee, D.-S., Determination of floral fragrances of Rosa hybrida using solid-phase trapping-solvent extraction and gas chromatography-mass spectrometry, J. Chromatogr. A, 2000, 902, 2, 389-404, https://doi.org/10.1016/S0021-9673(00)00863-3 . [all data]

Chen and Li, 2011
Chen, S.; Li, X., Analysis of common volatile constituents between herbal pair Ephedra Sinica Stapf-Zingiber offoconale Rosc. and its single herb by GC-MS combined with AMWFA method, 2011, retrieved from http://www.webmedcentral.com. [all data]

Shibamoto, 1987
Shibamoto, T., Retention Indices in Essential Oil Analysis in Capillary Gas Chromatography in Essential Oil Analysis, Sandra, P.; Bicchi, C., ed(s)., Hutchig Verlag, Heidelberg, New York, 1987, 259-274. [all data]

Ardrey and Moffat, 1981
Ardrey, R.E.; Moffat, A.C., Gas-liquid chromatographic retention indices of 1318 substances of toxicological interest on SE-30 or OV-1 stationary phase, J. Chromatogr., 1981, 220, 3, 195-252, https://doi.org/10.1016/S0021-9673(00)81925-1 . [all data]

Cai, Lin, et al., 2006
Cai, J.; Lin, P.; Zhu, X.; Su, Q., Comparative analysis of clary sage (S. sclarea L.) oil volatiles by GC-FTIR and GC-MS, Food Chem., 2006, 99, 2, 401-407, https://doi.org/10.1016/j.foodchem.2005.07.041 . [all data]

Choi H.S., 2006
Choi H.S., Lipolytic effects of citrus peel oils and their components, J. Agric. Food Chem., 2006, 54, 9, 3254-3258, https://doi.org/10.1021/jf052409j . [all data]

Notes

Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References

• Symbols used in this document:
  

  Cp,liquid	Constant pressure heat capacity of liquid
  Tboil	Boiling point
  ΔvapH°	Enthalpy of vaporization at standard conditions

• 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.