Cyclopentane, 1-ethyl-3-methyl-
- Formula: C8H16
- Molecular weight: 112.2126
- IUPAC Standard InChI: InChI=1S/C8H16/c1-3-8-5-4-7(2)6-8/h7-8H,3-6H2,1-2H3
- IUPAC Standard InChIKey: PQXAPVOKLYINEI-UHFFFAOYSA-N
- CAS Registry Number: 3726-47-4
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
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- Stereoisomers:
- Other names: 1-Methyl-3-ethylcyclopentane; 1-Ethyl-3-methylcyclopentane
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Phase change data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 394.24 | K | N/A | Boord, Greenlee, et al., 1950 | Uncertainty assigned by TRC = 0.7 K |
| Quantity | Value | Units | Method | Reference | Comment |
| Tfus | 140.4 | K | N/A | Anonymous, 1950 | Uncertainty assigned by TRC = 1. K |
| Tfus | 140.35 | K | N/A | Boord, Greenlee, et al., 1950 | Uncertainty assigned by TRC = 2. K |
| Tfus | 140.5 | K | N/A | Anonymous, 1948 | Uncertainty assigned by TRC = 0.5 K |
Mass spectrum (electron ionization)
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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
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| 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 | D.HENNEBERG, MAX-PLANCK INSTITUTE, MULHEIM, WEST GERMANY |
| NIST MS number | 60953 |
Gas Chromatography
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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
Kovats' RI, non-polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Capillary | Squalane | 100. | 793.9 | Lulova, Leont'eva, et al., 1976 | He; Column length: 120. m; Column diameter: 0.25 mm |
Normal alkane RI, non-polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Capillary | OV-101 | 50. | 785. | Wu and Lu, 1984 | |
| Capillary | OV-101 | 50. | 787. | Wu and Lu, 1984 | |
| Capillary | OV-101 | 70. | 790. | Wu and Lu, 1984 | |
| Capillary | OV-101 | 70. | 792. | Wu and Lu, 1984 |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | SE-54 | 787. | Guan, Li, et al., 1995 | 60. C @ 2. min, 4. K/min; Column length: 50. m; Column diameter: 0.32 mm; Tend: 200. C |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Squalane | 788. | Chen, 2008 | Program: not specified |
| Capillary | Squalane | 808. | Chen, 2008 | Program: not specified |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Boord, Greenlee, et al., 1950
Boord, C.E.; Greenlee, K.W.; Derfer, J.M.,
The Synthesis, Purification and Prop. of Hydrocarbons of Low Mol. Wt., Am. Pet. Inst. Res. Proj. 45, Twelfth Annu. Rep., Ohio State Univ., 1950. [all data]
Anonymous, 1950
Anonymous, R.,
, Am. Pet. Inst. Res. Proj. 6, Natl. Bur. Stand., 1950. [all data]
Anonymous, 1948
Anonymous, R.,
, Am. Pet. Inst. Res. Proj. 6, Natl. Bur. Stand., 1948. [all data]
Lulova, Leont'eva, et al., 1976
Lulova, N.I.; Leont'eva, S.A.; Timofeeva, A.N.,
Gas-chromatographic method of determination of individual hydrocarbons in catalytic cracking gasolines
in Proceedings of All-Union Research Institute on Oil Processes. Vol.18, All-Union Research Institute on Oil Processes, Moscow, 1976, 30-53. [all data]
Wu and Lu, 1984
Wu, J.; Lu, W.,
Kovats indices of C4-C10 hydrocarbons in apolar quartz capillary OV-101,
Chin. J. Chromatogr., 1984, 1, 1, 11-17. [all data]
Guan, Li, et al., 1995
Guan, Y.; Li, L.; Zhou, L.,
Live retention database for compound identification in capillary gas chromatography,
Chin. J. Chromatogr., 1995, 13, 5, 851-857. [all data]
Chen, 2008
Chen, H.-F.,
Quantitative prediction of gas chromatography retention indices with support vector machines, radial basis neutral networks and multiple linear regression,
Anal. Chim. Acta, 2008, 609, 1, 24-36, https://doi.org/10.1016/j.aca.2008.01.003
. [all data]
Notes
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- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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