2-Cyclohexen-1-one, 2-hydroxy-3-methyl-6-(1-methylethyl)-
- Formula: C10H16O2
- Molecular weight: 168.2328
- IUPAC Standard InChI: InChI=1S/C10H16O2/c1-6(2)8-5-4-7(3)9(11)10(8)12/h6,8,11H,4-5H2,1-3H3
- IUPAC Standard InChIKey: QSIMLPCPCXVYDD-UHFFFAOYSA-N
- CAS Registry Number: 490-03-9
- 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: Diosphenol; Barosma camphor; Buccocamphor; Buchu camphor; 2-Hydroxypiperitone; 2-Hydroxy-6-isopropyl-3-methylcyclohex-2-enone; 2-Hydroxy-6-isopropyl-3-methyl-2-cyclohexen-1-one; ψ-diosphenol; 2-hydroxy-6-(isopropyl)-3-methylcyclohex-2-en-1-one
- Permanent link for this species. Use this link for bookmarking this species for future reference.
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Phase change data
Go To: Top, 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:
AC - William E. Acree, Jr., James S. Chickos
Enthalpy of vaporization
| ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 13.4 | 354. | A | Stephenson and Malanowski, 1987 | Based on data from 339. to 505. K. See also Stull, 1947.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
View plot Requires a JavaScript / HTML 5 canvas capable browser.
| Temperature (K) | A | B | C | Reference | Comment |
|---|---|---|---|---|---|
| 339.8 to 505. | 5.31433 | 2506.994 | -33.907 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Gas Chromatography
Go To: Top, Phase change data, 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
Van Den Dool and Kratz RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-5MS | 1304.9 | Andriamaharavo, 2014 | 30. m/0.25 mm/0.25 μm, He; Program: 60C (1 min) => 5 C/min => 210C => 10 C/min => 280C (15 min) |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | ZB-1 | 1273. | Mierendorff, Stahl-Biskup, et al., 2008 | 30. m/0.25 mm/0.25 μm, Nitrogen, 3. K/min; Tstart: 45. C; Tend: 230. C |
| Capillary | HP-1 | 1277. | Antoniotti, Alezra, et al., 2004 | 50. m/0.2 mm/0.33 μm, 2. K/min, 250. C @ 10. min; Tstart: 60. C |
| Capillary | HP-1 | 1246. | Antoniotti, Alezra, et al., 2004 | 50. m/0.2 mm/0.33 μm, 2. K/min, 250. C @ 10. min; Tstart: 60. C |
| Capillary | ZB-1 | 1273. | Mierendorff, Stahl-Biskup, et al., 2003 | 30. m/0.25 mm/0.25 μm, N2, 3. K/min; Tstart: 45. C; Tend: 230. C |
| Capillary | SPB-Sulfur | 1309. | Mariaca, Berger, et al., 1997 | 30. m/0.32 mm/4. μm, He, 45. C @ 13. min, 5. K/min, 240. C @ 5. min |
Normal alkane RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | CP-Wax | 1784. | Ka, Choi, et al., 2005 | 30. m/0.32 mm/0.25 μm, He, 40. C @ 2. min, 5. K/min; Tend: 180. C |
| Capillary | HP-Innowax FSC | 1830. | Baser, Kirimer, et al., 1997 | He, 60. C @ 10. min, 4. K/min, 240. C @ 10. min; Column length: 60. m; Column diameter: 0.25 mm |
Normal alkane RI, polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Innowax | 1803. | Antoniotti, Alezra, et al., 2004 | Program: not specified |
| Capillary | HP-Innowax | 1831. | Viljoen, van Vuuren, et al., 2003 | 60. m/0.25 mm/0.25 μm; Program: 60C(10min) => 4C/min => 220C(10min) => 1C/min => 240C |
References
Go To: Top, Phase change data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Andriamaharavo, 2014
Andriamaharavo, N.R.,
Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2014. [all data]
Mierendorff, Stahl-Biskup, et al., 2008
Mierendorff, H.-G.; Stahl-Biskup, E.; Posthumus, M.A.; van Beek, T.A.,
Composition of commercial Cape chamomile oil (Eriocephalus punctuatus / Eriocephalus tenuifolius), 2008, retrieved from http://www.chemische-analysen-hamburg.de/Publikationen?CapeChamomileOil/. [all data]
Antoniotti, Alezra, et al., 2004
Antoniotti, S.; Alezra, N.; Fernandez, X.; Duñach, E.,
Catalytic epoxide oxidation: a novel access to flavouring and odorant α-diketones,
Flavour Fragr. J., 2004, 19, 5, 373-381, https://doi.org/10.1002/ffj.1371
. [all data]
Mierendorff, Stahl-Biskup, et al., 2003
Mierendorff, H.-G.; Stahl-Biskup, E.; Posthumus, M.A.; van Beek, T.A.,
Composition of commercial Cape chamomile oil (Eriocephalus punctulatus),
Flavour Fragr. J., 2003, 18, 6, 510-514, https://doi.org/10.1002/ffj.1259
. [all data]
Mariaca, Berger, et al., 1997
Mariaca, R.G.; Berger, T.F.H.; Gauch, R.; Imhof, M.I.; Jeangros, B.; Bosset, J.O.,
Occurrence of volatile mono- and sesquiterpenoids in highland and lowland plant species as possible precursors for flavor compounds in milk and dairy products,
J. Agric. Food Chem., 1997, 45, 11, 4423-4434, https://doi.org/10.1021/jf970216t
. [all data]
Ka, Choi, et al., 2005
Ka, M.-H.; Choi, E.H.; Chun, H.-S.; Lee, K.-G.,
Antioxidative Activity of Volatile Extracts Isolated from Angelica tenuissimae Roots, Peppermint Leaves, Pine Needles, and Sweet Flag Leaves,
J. Agric. Food Chem., 2005, 53, 10, 4124-4129, https://doi.org/10.1021/jf047932x
. [all data]
Baser, Kirimer, et al., 1997
Baser, K.H.C.; Kirimer, N.; Duman, H.,
Composition of the essential oil of Micromeria dolichodontha P. H. Davis,
Flavour Fragr. J., 1997, 12, 4, 289-291, https://doi.org/10.1002/(SICI)1099-1026(199707)12:4<289::AID-FFJ640>3.0.CO;2-A
. [all data]
Viljoen, van Vuuren, et al., 2003
Viljoen, A.; van Vuuren, S.; Ernst, E.; Klepser, M.; Demirci, B.; Baser, H.; van Wyk, B.-E.,
Osmitopsis asteriscoides (Asteraceae)-the antimicrobial activity and essential oil composition of a Cape-Dutch remedy,
J. Ethnopharmacol., 2003, 88, 2-3, 137-143, https://doi.org/10.1016/S0378-8741(03)00191-0
. [all data]
Notes
Go To: Top, Phase change data, Gas Chromatography, References
- Symbols used in this document:
ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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