Heneicosane, 11-cyclopentyl-
- Formula: C26H52
- Molecular weight: 364.6911
- IUPAC Standard InChI: InChI=1S/C26H52/c1-3-5-7-9-11-13-15-17-21-25(26-23-19-20-24-26)22-18-16-14-12-10-8-6-4-2/h25-26H,3-24H2,1-2H3
- IUPAC Standard InChIKey: LEQBWYDHNLNMED-UHFFFAOYSA-N
- CAS Registry Number: 6703-81-7
- 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: Cyclopentane, (1-decylundecyl)-; 11-Cyclopentylheneicosane
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Phase change data
Go To: Top, 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tfus | 260.45 | K | N/A | Anonymous, 1968 | Uncertainty assigned by TRC = 0.5 K; TRC |
| Tfus | 260.5 | K | N/A | Foehr and Fenske, 1949 | Uncertainty assigned by TRC = 1.5 K; TRC |
| Tfus | 260.5 | K | N/A | Schiessler, 1947 | Uncertainty assigned by TRC = 1.5 K; TRC |
Enthalpy of vaporization
| ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 22.1 | 501. | A,MG | Stephenson and Malanowski, 1987 | Based on data from 486. to 524. K. See also Schiessler and Whitmore, 1955.; AC |
Mass spectrum (electron ionization)
Go To: Top, Phase change data, 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
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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. |
|---|---|
| NIST MS number | 16261 |
Gas Chromatography
Go To: Top, Phase change data, 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
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-5 MS | 2548. | Grzeszczuk, Wesolowska, et al., 2011 | 30. m/0.25 mm/0.25 μm, Helium; Program: 40 0C (5 min) 30 0C/min -> 60 0C 6 0C/min -> 230 0C (10 min) |
References
Go To: Top, Phase change data, 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.
Anonymous, 1968
Anonymous, R.,
Properties of hydrocarbon of high molecular weight, Am. Pet. Inst. Res. Proj. 42, Penn. State Univ., 1968. [all data]
Foehr and Fenske, 1949
Foehr, E.G.; Fenske, M.R.,
Magneto-optic Rotation of Hydrocarbons,
Ind. Eng. Chem., 1949, 41, 1956. [all data]
Schiessler, 1947
Schiessler, R.W.,
, Am. Pet. Inst. Res. Proj. 42, Twelfth Meeting, 1947. [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]
Schiessler and Whitmore, 1955
Schiessler, R.W.; Whitmore, F.C.,
Properties of High Molecular Weight Hydrocarbons,
Ind. Eng. Chem., 1955, 47, 8, 1660-1665, https://doi.org/10.1021/ie50548a054
. [all data]
Grzeszczuk, Wesolowska, et al., 2011
Grzeszczuk, M.; Wesolowska, A.; Jadczak, D.; Jakubowska, B.,
Nutritional value of Chili edible flowers,
Acta Sci. Pol. Hortorum Cultus, 2011, 10, 2, 85-94. [all data]
Notes
Go To: Top, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
Tfus Fusion (melting) point ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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