2-Propanamine
- Formula: C3H9N
- Molecular weight: 59.1103
- IUPAC Standard InChIKey: JJWLVOIRVHMVIS-UHFFFAOYSA-N
- 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:
- Other data available:
- Data at other public NIST sites:
- Options:
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, 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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 306. ± 2. | K | AVG | N/A | Average of 9 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 171.95 | K | N/A | Timmermans, 1921 | Uncertainty assigned by TRC = 0.6 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 178.01 | K | N/A | Finke, Messerly, et al., 1972 | Uncertainty assigned by TRC = 0.007 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 471.8 | K | N/A | Majer and Svoboda, 1985 | |
Tc | 471.9 | K | N/A | Kobe and Mathews, 1970 | Uncertainty assigned by TRC = 0.5 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 44.81 | atm | N/A | Kobe and Mathews, 1970 | Uncertainty assigned by TRC = 0.5000 atm; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 4.53 | mol/l | N/A | Kobe and Mathews, 1970 | Uncertainty assigned by TRC = 0.00009 mol/l; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 6.862 | kcal/mol | N/A | Majer and Svoboda, 1985 | |
ΔvapH° | 6.79 | kcal/mol | N/A | Majer, Svoboda, et al., 1979 | AC |
ΔvapH° | 6.81 ± 0.05 | kcal/mol | V | Smith and Good, 1967 | ALS |
ΔvapH° | 6.81 | kcal/mol | N/A | Smith and Good, 1967 | DRB |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
6.652 | 304.9 | N/A | Majer and Svoboda, 1985 | |
7.10 | 292. | A,EB,IP | Stephenson and Malanowski, 1987 | Based on data from 277. to 334. K. See also Osborn and Douslin, 1968 and Dykyj, 1970.; AC |
6.50 | 313. | N/A | Majer, Svoboda, et al., 1979 | AC |
Enthalpy of vaporization
ΔvapH =
A exp(-βTr) (1 − Tr)β
ΔvapH =
Enthalpy of vaporization (at saturation pressure)
(kcal/mol)
Tr = reduced temperature (T / Tc)
View plot Requires a JavaScript / HTML 5 canvas capable browser.
Temperature (K) | A (kcal/mol) | β | Tc (K) | Reference | Comment |
---|---|---|---|---|---|
298. to 313. | 11.90 | 0.345 | 471.8 | Majer and Svoboda, 1985 |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
View plot Requires a JavaScript / HTML 5 canvas capable browser.
Temperature (K) | A | B | C | Reference |
---|---|---|---|---|
277.07 to 334.13 | 4.00936 | 985.65 | -59.079 | Osborn and Douslin, 1968 |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
1.7506 | 177.99 | Finke, Messerly, et al., 1972, 2 | DH |
1.75 | 178. | Acree, 1991 | AC |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
9.835 | 177.99 | Finke, Messerly, et al., 1972, 2 | DH |
References
Go To: Top, Phase change 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]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
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 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.