α-Ionone
- Formula: C13H20O
- Molecular weight: 192.2973
- IUPAC Standard InChIKey: UZFLPKAIBPNNCA-BQYQJAHWSA-N
- CAS Registry Number: 127-41-3
- 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. - Species with the same structure:
- Other names: 3-Buten-2-one, 4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-, (E)-; α-Cyclocitrylideneacetone; (E)-α-Ionone; trans-α-Ionone; 3-Buten-2-one, 4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-, trans; 4-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-3-buten-2-one, (E)-; (3E)-4-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-3-buten-2-one; α-(E)-Ionone; trans-4-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-3-buten-2-one; 3-Buten-2-one, 4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-, (3E)-; Ionone; 4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-3-buten-2-one (α-ionone); 4-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-3-buten-2-one; 4-(2,6,6-trimethylcyclohex-2-ene-1-yl)-but-3-ene-2-one
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Phase change data
Go To: Top, 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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
Reduced pressure boiling point
Tboil (K) | Pressure (atm) | Reference | Comment |
---|---|---|---|
404.2 | 0.017 | Aldrich Chemical Company Inc., 1990 | BS |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
14.8 | 367. | A | Stephenson and Malanowski, 1987 | Based on data from 352. to 523. K. See also Stull, 1947.; AC |
16.1 | 301. | A,ME | Stephenson and Malanowski, 1987 | Based on data from 286. to 333. K. See also Serpinskii, Voitkevich, et al., 1957.; AC |
Mass spectrum (electron ionization)
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
Spectrum
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Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Japan AIST/NIMC Database- Spectrum MS-NW-5270 |
NIST MS number | 233311 |
References
Go To: Top, Phase change data, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
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]
Serpinskii, Voitkevich, et al., 1957
Serpinskii, V.V.; Voitkevich, S.A.; Lyuboshits, N.Yu.,
Zh. Fiz. Khim., 1957, 31, 1278. [all data]
Notes
Go To: Top, Phase change data, Mass spectrum (electron ionization), References
- Symbols used in this document:
Tboil Boiling point ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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