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
  • Henry's Law data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
• Options:
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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

Henry's Law 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: Rolf Sander

Henry's Law constant (water solution)

k_H(T) = k°_H exp(d(ln(k_H))/d(1/T) ((1/T) - 1/(298.15 K)))
k°_H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(k_H))/d(1/T) = Temperature dependence constant (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

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

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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
  d(ln(kH))/d(1/T)	Temperature dependence parameter for Henry's Law constant
  k°H	Henry's Law constant at 298.15K
  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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