2-Propanol, 2-methyl-

• Formula: C₄H₁₀O
• Molecular weight: 74.1216
• IUPAC Standard InChI: InChI=1S/C4H10O/c1-4(2,3)5/h5H,1-3H3 Copy

  
• IUPAC Standard InChIKey: DKGAVHZHDRPRBM-UHFFFAOYSA-N Copy
• CAS Registry Number: 75-65-0
• 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.
• Isotopologues:
  • 2-Propanol, 2-methyl-d
  • 2-Propanol, 2-methyl-d
• Other names: tert-Butyl alcohol; tert-Butanol; Ethanol, 1,1-Dimethyl-; Trimethylcarbinol; Trimethylmethanol; 1,1-Dimethylethanol; 2-Methyl-2-propanol; tert-C4H9OH; t-Butanol; tert-Butyl hydroxide; 2-Methylpropanol-2; 2-Methylpropan-2-ol; Alcool butylique tertiaire; Butanol tertiaire; t-Butyl hydroxide; Methanol, trimethyl-; NCI-C55367; 2-Methyl n-propan-2-ol; Methyl-2 propanol-2; Tert.-butyl alcohol
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Gas phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Henry's Law data
  • Ion clustering data
  • IR Spectrum
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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Gas phase 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Constant pressure heat capacity of gas

Constant pressure heat capacity of gas

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
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis

Enthalpy of vaporization

Enthalpy of vaporization

Δ_vapH = A exp(-αT_r) (1 − T_r)^β
    Δ_vapH = Enthalpy of vaporization (at saturation pressure) (kJ/mol)
    T_r = reduced temperature (T / T_c)

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Antoine Equation Parameters

log₁₀(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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Enthalpy of sublimation

Enthalpy of fusion

Entropy of fusion

Entropy of fusion

Enthalpy of phase transition

Entropy of phase transition

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 as indicated in comments:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
RCD - Robert C. Dunbar
ALS - 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: Cl^- + C₄H₁₀O = (Cl^- • C₄H₁₀O)

C₄H₉O^- +  =

By formula: C₄H₉O^- + H⁺ = C₄H₁₀O

C₄H₉O^- +  = (C₄H₉O^- • )

By formula: C₄H₉O^- + C₄H₁₀O = (C₄H₉O^- • C₄H₁₀O)

 +  = ( • )

By formula: F^- + C₄H₁₀O = (F^- • C₄H₁₀O)

C₃H₉Sn⁺ +  = (C₃H₉Sn⁺ • )

By formula: C₃H₉Sn⁺ + C₄H₁₀O = (C₃H₉Sn⁺ • C₄H₁₀O)

Free energy of reaction

C₅H₁₁O^- +  = (C₅H₁₁O^- • )

By formula: C₅H₁₁O^- + C₄H₁₀O = (C₅H₁₁O^- • C₄H₁₀O)

( • 2) +  = ( • 3)

By formula: (Cl^- • 2C₄H₁₀O) + C₄H₁₀O = (Cl^- • 3C₄H₁₀O)

( • ) +  = ( • 2)

By formula: (Cl^- • C₄H₁₀O) + C₄H₁₀O = (Cl^- • 2C₄H₁₀O)

( • 5) +  = ( • 6)

By formula: (Cl^- • 5C₄H₁₀O) + C₄H₁₀O = (Cl^- • 6C₄H₁₀O)

CH₆N⁺ +  = (CH₆N⁺ • )

By formula: CH₆N⁺ + C₄H₁₀O = (CH₆N⁺ • C₄H₁₀O)

Bond type: Hydrogen bonds of the type NH+-O between organics

Free energy of reaction

 +  = ( • )

By formula: I^- + C₄H₁₀O = (I^- • C₄H₁₀O)

CN^- +  = (CN^- • )

By formula: CN^- + C₄H₁₀O = (CN^- • C₄H₁₀O)

( • 3) +  = ( • 4)

By formula: (Cl^- • 3C₄H₁₀O) + C₄H₁₀O = (Cl^- • 4C₄H₁₀O)

( • 4) +  = ( • 5)

By formula: (Cl^- • 4C₄H₁₀O) + C₄H₁₀O = (Cl^- • 5C₄H₁₀O)

HS^- +  = (HS^- • )

By formula: HS^- + C₄H₁₀O = (HS^- • C₄H₁₀O)

 +  = ( • )

By formula: NO₂^- + C₄H₁₀O = (NO₂^- • C₄H₁₀O)

 +  = ( • )

By formula: C₅H₅^- + C₄H₁₀O = (C₅H₅^- • C₄H₁₀O)

 +  = ( • )

By formula: Na⁺ + C₄H₁₀O = (Na⁺ • C₄H₁₀O)

Free energy of reaction

 + 2 = C₈H₂₀FO₂^-

By formula: F^- + 2C₄H₁₀O = C₈H₂₀FO₂^-

 +  = C₁₀H₁₅OS^-

By formula: C₆H₅S^- + C₄H₁₀O = C₁₀H₁₅OS^-

 + 2 = C₈H₂₀IO₂^-

By formula: I^- + 2C₄H₁₀O = C₈H₂₀IO₂^-

 + 2 = C₈H₂₀BrO₂^-

By formula: Br^- + 2C₄H₁₀O = C₈H₂₀BrO₂^-

 + 3 = C₁₂H₃₀BrO₃^-

By formula: Br^- + 3C₄H₁₀O = C₁₂H₃₀BrO₃^-

 +  = C₄H₁₀BrO^-

By formula: Br^- + C₄H₁₀O = C₄H₁₀BrO^-

 + 3 = C₁₂H₃₀FO₃^-

By formula: F^- + 3C₄H₁₀O = C₁₂H₃₀FO₃^-

C₆H₅NO₂^- +  = (C₆H₅NO₂^- • )

By formula: C₆H₅NO₂^- + C₄H₁₀O = (C₆H₅NO₂^- • C₄H₁₀O)

 +  = C₄H₉D₁₀FO^-

By formula: F^- + C₄H₁₀O = C₄H₉D₁₀FO^-

 +  =

By formula: C₄H₈ + H₂O = C₄H₁₀O

 +  =

By formula: C₂H₂O + C₄H₁₀O = C₆H₁₂O₂

=  + 

By formula: C₄H₁₀O = C₄H₈ + H₂O

 +  = ( • )

By formula: Li⁺ + C₄H₁₀O = (Li⁺ • C₄H₁₀O)

Gas phase ion energetics data

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias

Data compiled as indicated in comments:
B - John E. Bartmess
LL - Sharon G. Lias and Joel F. Liebman
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

Appearance energy determinations

De-protonation reactions

C₄H₉O^- +  =

By formula: C₄H₉O^- + H⁺ = C₄H₁₀O

Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics 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

Gas Chromatography

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics 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

Kovats' RI, non-polar column, isothermal

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Kovats' RI, non-polar column, custom temperature program

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

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Van Den Dool and Kratz RI, 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, temperature ramp

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

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Normal alkane RI, polar column, temperature ramp

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Normal alkane RI, polar column, custom temperature program

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References

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics 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.

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Parks, G.S.; Anderson, C.T., Thermal data on organic compounds. III. The heat capacities, entropies and free energies of tertiary butyl alcohol, mannitol, erythritol and normal butyric acid, J. Am. Chem. Soc., 1926, 48, 1506-12. [all data]

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Oetting F.L., 1963
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Hiraoka, K.; Mizuse, S., Gas-Phase Solvation of Cl- with H2O, CH3OH, C2H4OH, i-C3H7OH, n-C3H7OH, and t-C4H9OH, Chem. Phys., 1987, 118, 3, 457, https://doi.org/10.1016/0301-0104(87)85078-4 . [all data]

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Sieck, L.W., Thermochemistry of Solvation of NO₂^- and C₆H₅NO₂^- by Polar Molecules in the Vapor Phase. Comparison with Cl^- and Variation with Ligand Structure., J. Phys. Chem., 1985, 89, 25, 5552, https://doi.org/10.1021/j100271a049 . [all data]

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Notes

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, References

• Symbols used in this document:
  

  AE	Appearance energy
  Cp,gas	Constant pressure heat capacity of gas
  IE (evaluated)	Recommended ionization energy
  Pc	Critical pressure
  T	Temperature
  Tboil	Boiling point
  Tc	Critical temperature
  Tfus	Fusion (melting) point
  Ttriple	Triple point temperature
  Vc	Critical volume
  ΔHtrs	Enthalpy of phase transition
  ΔStrs	Entropy of phase transition
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔfusH	Enthalpy of fusion
  ΔfusS	Entropy of fusion
  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔrS°	Entropy of reaction at standard conditions
  ΔsubH	Enthalpy of sublimation
  ΔsubH°	Enthalpy of sublimation at standard conditions
  ΔvapH	Enthalpy of vaporization
  ΔvapH°	Enthalpy of vaporization at standard conditions
  ρc	Critical density

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