γ-Octalactone is a lactone and aroma compound with the chemical formula C8H14O2.[1] It has a coconut flavor. It is also a frequent component of urban aerosols[2] as well as some liquors.[3]
Names | |
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Preferred IUPAC name
5-Butyloxolan-2-one | |
Other names
2(3H)-Furanone, 5-butyldihydro-; 4-Octanolide; 5-Butyldihydro-2(3H)-furanone; (R/S)-γ-octalactone; 5-Butyldihydrofuran-2(3H)-one; 4-Hydroxyoctanoic acid lactone; γ-Octanolactone; γ-Octalactone; Octan-4-olide; Octanoic acid 4-hydroxy-γ-lactone; γ-Octanolide; γ-Butyl-γ-butyrolactone; γ-Butylbutyrolactone; 4-Butyl-γ-butyrolactone; 5-Butyltetrahydro-2-furanone; γ-n-Butyl-γ-butyrolactone; Octanoic acid, γ lactone; Octanolide-1,4; 2(3H)-Furanone, dihydro-5-butyl-; 4-Hydroxyoctanoic acid, γ-lactone; NSC 24270; Octanoic acid, 4-hydroxy-, lactone
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Identifiers | |
3D model (JSmol)
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ChEBI | |
ECHA InfoCard | 100.002.917 |
PubChem CID
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UNII | |
CompTox Dashboard (EPA)
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Properties | |
C8H14O2 | |
Molar mass | 142.198 g·mol−1 |
Appearance | colorless solid |
Density | 0.9703 g/cm³ |
Melting point | 91 °C (196 °F; 364 K) |
Boiling point | 234 °C (453 °F; 507 K) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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References
edit- ^ National Institute of Standards and Technology. "gamma-Octalactone". webbook.nist.gov. Retrieved 2017-09-07.
- ^ Rogge, Wolfgang F.; Hildemann, Lynn M.; Mazurek, Monica A.; Cass, Glen R.; Simoneit, Bernd R. T. (1991). "Sources of fine organic aerosol. 1. Charbroilers and meat cooking operations". Environmental Science & Technology. 25 (6): 1112–1125. Bibcode:1991EnST...25.1112R. doi:10.1021/es00018a015.
- ^ Fan, Wenlai; Qian, Michael C. (2006). "Characterization of Aroma Compounds of Chinese "Wuliangye" and "Jiannanchun" Liquors by Aroma Extract Dilution Analysis". Journal of Agricultural and Food Chemistry. 54 (7): 2695–2704. doi:10.1021/jf052635t. PMID 16569063.