2-Propanamine

• Formula: C₃H₉N
• Molecular weight: 59.1103
• IUPAC Standard InChI: InChI=1S/C3H9N/c1-3(2)4/h3H,4H2,1-2H3 Copy

  
• IUPAC Standard InChIKey: JJWLVOIRVHMVIS-UHFFFAOYSA-N Copy
• CAS Registry Number: 75-31-0
• 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.
• Other names: Isopropylamine; sec-Propylamine; Monoisopropylamine; 1-Methylethylamine; 2-Aminopropane; 2-Propylamine; iso-C3H7NH2; Isopropilamina; Propane, 2-amino-; 2-Amino-propaan; 2-Amino-propano; 2-Aminopropan; UN 1221; iso-Propylamine gas; NSC 62775
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Phase change data
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • Ion clustering data
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Gas Chromatography
• Options:
  • Switch to calorie-based units

Data at NIST subscription sites:

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

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.

Phase change data

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing

Enthalpy of vaporization

Enthalpy of vaporization

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

View plot Requires a JavaScript / HTML 5 canvas capable browser.

Antoine Equation Parameters

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

View plot Requires a JavaScript / HTML 5 canvas capable browser.

Enthalpy of fusion

Entropy of fusion

Reaction thermochemistry data

Go To: Top, Phase change data, Gas phase ion energetics data, Ion clustering data, 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:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
B - John E. Bartmess

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

(C₃H₂₁₀N⁺ • 2) +  = (C₃H₂₁₀N⁺ • 3)

By formula: (C₃H₂₁₀N⁺ • 2C₃H₉N) + C₃H₉N = (C₃H₂₁₀N⁺ • 3C₃H₉N)

(C₃H₂₁₀N⁺ • ) +  = (C₃H₂₁₀N⁺ • 2)

By formula: (C₃H₂₁₀N⁺ • C₃H₉N) + C₃H₉N = (C₃H₂₁₀N⁺ • 2C₃H₉N)

C₃H₈N^- +  =

By formula: C₃H₈N^- + H⁺ = C₃H₉N

Gas phase ion energetics data

Go To: Top, Phase change data, Reaction thermochemistry data, Ion clustering data, 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

Data compiled as indicated in comments:
B - John E. Bartmess
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

C₃H₈N^- +  =

By formula: C₃H₈N^- + H⁺ = C₃H₉N

Ion clustering data

Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, 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: Michael M. Meot-Ner (Mautner) and Sharon G. Lias

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

(C₃H₂₁₀N⁺ • ) +  = (C₃H₂₁₀N⁺ • 2)

By formula: (C₃H₂₁₀N⁺ • C₃H₉N) + C₃H₉N = (C₃H₂₁₀N⁺ • 2C₃H₉N)

(C₃H₂₁₀N⁺ • 2) +  = (C₃H₂₁₀N⁺ • 3)

By formula: (C₃H₂₁₀N⁺ • 2C₃H₉N) + C₃H₉N = (C₃H₂₁₀N⁺ • 3C₃H₉N)

References

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

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

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

Finke, Messerly, et al., 1972
Finke, H.L.; Messerly, J.F.; Todd, S.S., Thermodynamic properties of acrylonitrile, 1-aminopropane, 2-aminopropane, and 2-methyl-2-aminopropane, J. Chem. Thermodyn., 1972, 4, 359. [all data]

Majer and Svoboda, 1985
Majer, V.; Svoboda, V., Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]

Kobe and Mathews, 1970
Kobe, K.A.; Mathews, J.F., Critical Properties and Vapor Pressures of Some Organic Nitrogen and Oxygen Compounds, J. Chem. Eng. Data, 1970, 15, 182. [all data]

Majer, Svoboda, et al., 1979
Majer, Vladimír; Svoboda, Václav; Koubek, Josef; Pick, Jirí, Temperature dependence of heats of vaporization, saturated vapour pressures and cohesive energies for a group of amines, Collect. Czech. Chem. Commun., 1979, 44, 12, 3521-3528, https://doi.org/10.1135/cccc19793521 . [all data]

Smith and Good, 1967
Smith, N.K.; Good, W.D., Enthalpies of combustion and formation of propylamine, isopropylamine, and tert-butylamine, J. Chem. Eng. Data, 1967, 12, 572-574. [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]

Osborn and Douslin, 1968
Osborn, Ann G.; Douslin, Donald R., Vapor pressure relations of 13 nitrogen compounds related to petroleum, J. Chem. Eng. Data, 1968, 13, 4, 534-537, https://doi.org/10.1021/je60039a024 . [all data]

Dykyj, 1970
Dykyj, J., Petrochemica, 1970, 10, 2, 51. [all data]

Finke, Messerly, et al., 1972, 2
Finke, H.L.; Messerly, J.F.; Todd, S.S., Thermodynamic properties of acrylonitrile, 1-aminopropane, 2-aminopropane, and 2-methyl-2-aminopropane, J. Chem. Thermodynam., 1972, 4, 359-374. [all data]

Acree, 1991
Acree, William E., Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature compilation, Thermochimica Acta, 1991, 189, 1, 37-56, https://doi.org/10.1016/0040-6031(91)87098-H . [all data]

Zielinska and Wincel, 1974
Zielinska, T.J.; Wincel, H., Gas - Phase Solvation of Protonated Aliphatic Amines: Methyl, Ethyl, n - Propyl, and Iso - Propylamine, Chem. Phys. Lett., 1974, 25, 354. [all data]

Brauman and Blair, 1971
Brauman, J.I.; Blair, L.K., Gas phase acidities of amines, J. Am. Chem. Soc., 1971, 93, 3911. [all data]

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Aue, Webb, et al., 1976
Aue, D.H.; Webb, H.M.; Bowers, M.T., Quantitative proton affinities, ionization potentials, and hydrogen affinities of alkylamines, J. Am. Chem. Soc., 1976, 98, 311. [all data]

Al-Joboury and Turner, 1964
Al-Joboury, M.I.; Turner, D.W., Molecular photoelectron spectroscopy. Part II. A summary of ionization potentials, J. Chem. Soc., 1964, 4434. [all data]

Watanabe and Mottl, 1957
Watanabe, K.; Mottl, J.R., Ionization potentials of ammonia and some amines, J. Chem. Phys., 1957, 26, 1773. [all data]

Katsumata, Iwai, et al., 1973
Katsumata, S.; Iwai, T.; Kimura, K., Photoelectron spectra and sum rule consideration. Higher alkyl amines and alcohols, Bull. Chem. Soc. Jpn., 1973, 46, 3391. [all data]

Lossing, Lam, et al., 1981
Lossing, F.P.; Lam, Y.-T.; Maccoll, A., Gas phase heats of formation of alkyl immonium ions, Can. J. Chem., 1981, 59, 2228. [all data]

Solka and Russell, 1974
Solka, B.H.; Russell, M.E., Energetics of formation of some structural isomers of gaseous C₂H₅O⁺ C₂H₆N⁺ ions, J. Phys. Chem., 1974, 78, 1268. [all data]

Notes

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

• Symbols used in this document:
  

  AE	Appearance energy
  Pc	Critical pressure
  Tboil	Boiling point
  Tc	Critical temperature
  Tfus	Fusion (melting) point
  Ttriple	Triple point temperature
  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
  ΔvapH	Enthalpy of vaporization
  ΔvapH°	Enthalpy of vaporization at standard conditions
  ρc	Critical density

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
• The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
• Customer support for NIST Standard Reference Data products.