Pentane, 2-chloro-

• Formula: C₅H₁₁Cl
• Molecular weight: 106.594
• IUPAC Standard InChI: InChI=1S/C5H11Cl/c1-3-4-5(2)6/h5H,3-4H2,1-2H3 Copy

  
• IUPAC Standard InChIKey: NFRKUDYZEVQXTE-UHFFFAOYSA-N Copy
• CAS Registry Number: 625-29-6
• Chemical structure:
  This structure is also available as a 2d Mol file
• Species with the same structure:
  • (+)-2-chloropentane
• Other names: 1-Methylbutyl chloride; 2-Chloropentane; sec-Amyl chloride
• Information on this page:
  • Phase change data
  • Reaction thermochemistry data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Henry's Law data
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
• Options:
  • Switch to calorie-based units

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• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

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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 as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of vaporization

Reaction thermochemistry 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

=

By formula: C₅H₁₁Cl = C₅H₁₁Cl

=  + 

By formula: C₅H₁₁Cl = C₅H₁₀ + HCl

=  + 

By formula: C₅H₁₁Cl = C₅H₁₀ + HCl

=  + 

By formula: C₅H₁₁Cl = C₅H₁₀ + HCl

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

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

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Kovats' RI, polar column, isothermal

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Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Normal alkane RI, non-polar column, isothermal

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Normal alkane RI, non-polar column, custom temperature program

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References

Go To: Top, Phase change data, Reaction thermochemistry 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.

Goering and McCarron, 1956
Goering, H.L.; McCarron, F.H., J. Am. Chem. Soc., 1956, 78, 2270-4. [all data]

Whitmore and Karnatz, 1938
Whitmore, F.C.; Karnatz, F.A., Preparation and properties of 2- and 3-chloropentanes., J. Am. Chem. Soc., 1938, 60, 2536. [all data]

Hass, McBee, et al., 1935
Hass, H.B.; McBee, E.T.; Weber, P., Ind. Eng. Chem., 1935, 27, 1190. [all data]

Timmermans, 1921
Timmermans, J., The Freezing Points of Organic Substances IV. New Exp. Determinations, Bull. Soc. Chim. Belg., 1921, 30, 62. [all data]

Tekac, Majer, et al., 1981
Tekac, V.; Majer, V.; Svoboda, V.; Hynek, V., Enthalpies of vaporization and cohesive energies for six monochlorinated alkanes, J. Chem. Thermodyn., 1981, 13, 659-662. [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]

Dykyj, 1972
Dykyj, J., Petrochemia, 1972, 12, 1, 13. [all data]

Roganov, Kabo, et al., 1969
Roganov, G.N.; Kabo, G.Ya.; Adreevskii, D.N., Additivity of thermochemical properties for isomers of secondary n-alkane chlorides (C₅-C₁₀), J. Org. Chem. USSR (Engl. Transl.), 1969, 5, 2037-2041. [all data]

Karaseva and Andreevskii, 1968
Karaseva, S.Ya.; Andreevskii, D.N., Equilibrium in pentenes isomerization, Neftekhimiya, 1968, 8, 504-509. [all data]

Karaseva and Andreevskii, 1969
Karaseva, S.Ya.; Andreevskii, D.N., Equilibrium in the isomerisation of secondary monochloropentanes and the dehydrochlorination of 2-chloropentane, Russ. J. Phys. Chem. (Engl. Transl.), 1969, 43, 1236-1238. [all data]

Morishita, Terashima, et al., 1983
Morishita, F.; Terashima, Y.; Ichise, M.; Kojima, T., Prediction of retention indices from molecular structures of chlorinated alkanes, J. Chromatogr. Sci., 1983, 21, 5, 209-213, https://doi.org/10.1093/chromsci/21.5.209 . [all data]

Hively and Hinton, 1968
Hively, R.A.; Hinton, R.E., Variation of the retention index with temperature on squalane substrates, J. Gas Chromatogr., 1968, 6, 4, 203-217, https://doi.org/10.1093/chromsci/6.4.203 . [all data]

Castello and D'Amato, 1986
Castello, G.; D'Amato, G., Gas chromatographic separation and identification of linear and branched-chain alkyl chlorides, J. Chromatogr., 1986, 354, 65-74, https://doi.org/10.1016/S0021-9673(01)87011-4 . [all data]

White, Hackett, et al., 1992
White, C.M.; Hackett, J.; Anderson, R.R.; Kail, S.; Spock, P.S., Linear temperature programmed retention indices of gasoline range hydrocarbons and chlorinated hydrocarbons on cross-linked polydimethylsiloxane, J. Hi. Res. Chromatogr., 1992, 15, 2, 105-120, https://doi.org/10.1002/jhrc.1240150211 . [all data]

Arruda, Junkes, et al., 2008
Arruda, A.C.S.; Junkes, B. da.S.; Souza, E.S.; Yunes, R.A.; Heizen, V.E.F., Semi-Emlirical Topological Index to Predict Properties of Halogenated Aliphatic Compounds, J. Chemometrics, 2008, 22, 3-4, 186-194, https://doi.org/10.1002/cem.1121 . [all data]

Zenkevich, 1999
Zenkevich, I.G., Mutual Correlation between Gas-Chromatographic Retention Indices of Organic Compounds from Different Series, Zh. Anal. Khim., 1999, 54, 12, 1272-1279. [all data]

Zenkevich and Chupalov, 1996
Zenkevich, I.G.; Chupalov, A.A., New Possibilities of Chromato Mass Pectrometric Identification of Organic Compounds Using Increments of Gas Chromatographic Retention Indices of Molecular Structural Fragments, Zh. Org. Khim. (Rus.), 1996, 32, 5, 656-666. [all data]

Notes

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• Symbols used in this document:
  

  Tboil	Boiling point
  Tfus	Fusion (melting) point
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔvapH	Enthalpy of vaporization
  ΔvapH°	Enthalpy of vaporization at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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