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2-Nonenal

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2-Nonenal
Skeletal formula of 2-nonenal
Ball-and-stick model of the 2-nonenal molecule
Names
Preferred IUPAC name Non-2-enal
Identifiers
CAS Number
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.017.784 Edit this at Wikidata
EC Number
  • 242-609-6 (trans)
  • 219-562-5
PubChem CID
UNII
CompTox Dashboard (EPA)
InChI
  • InChI=1S/C9H16O/c1-2-3-4-5-6-7-8-9-10/h7-9H,2-6H2,1H3/b8-7+Key: BSAIUMLZVGUGKX-BQYQJAHWSA-N
  • InChI=1/C9H16O/c1-2-3-4-5-6-7-8-9-10/h7-9H,2-6H2,1H3/b8-7+Key: BSAIUMLZVGUGKX-BQYQJAHWBS
SMILES
  • O=C/C=C/CCCCCC
Properties
Chemical formula C9H16O
Molar mass 140.226 g·mol
Appearance Colorless liquid
Boiling point 188.00 to 190.00 °C (370.40 to 374.00 °F; 461.15 to 463.15 K) at 760.00 mmHg
Hazards
GHS labelling:
Pictograms GHS07: Exclamation mark
Signal word Warning
Hazard statements H315
Precautionary statements P264, P280, P302+P352, P321, P332+P313, P362
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 1: Exposure would cause irritation but only minor residual injury. E.g. turpentineFlammability 2: Must be moderately heated or exposed to relatively high ambient temperature before ignition can occur. Flash point between 38 and 93 °C (100 and 200 °F). E.g. diesel fuelInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
1 2 0
Flash point 79 °C (174 °F; 352 K)
Safety data sheet (SDS) External MSDS
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). checkY verify (what is  ?) Infobox references
Chemical compound

2-Nonenal is an unsaturated aldehyde. The colorless liquid is an important aroma component of aged beer and buckwheat, and is insoluble in water.

Odor characteristics

The odor of this substance is perceived as orris, fat and cucumber. Its odor has been associated with human body odor alterations during aging.

References

  1. "2-Nonenal". pubchem.ncbi.nlm.nih.gov.
  2. Santos, J. R.; Carneiro, J. R.; Guido, L. F.; Almeida, P. J.; Rodrigues, J. A.; Barros, A. A. (2008). "Determination of E-2-nonenal by high-performance liquid chromatography with UV detection - Assay for the evaluation of beer ageing". Journal of Chromatography A. 985 (1–2): 395–402. doi:10.1016/S0021-9673(02)01396-1. PMID 12580508.
  3. Janeš, D.; Kantar, D.; Kreft, S.; Prosen, H. (2008). "Identification of buckwheat (Fagopyrum esculentum Moench) aroma compounds with GC-MS". Food Chemistry. 112 (1): 120–4. doi:10.1016/j.foodchem.2008.05.048.
  4. "2-nonenal CAS 60784-31-8". Flavornet.
  5. Haze, S.; Gozu, Y.; Nakamura, S.; Kohno, Y.; Sawano, K.; Ohta, H.; Yamazaki, K. (2001). "2-Nonenal Newly Found in Human Body Odor Tends to Increase with Aging". Journal of Investigative Dermatology. 116 (4): 520–4. doi:10.1046/j.0022-202x.2001.01287.x. PMID 11286617.

Further reading

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