2-Butanol
- Formula: C4H10O
- Molecular weight: 74.1216
- IUPAC Standard InChIKey: BTANRVKWQNVYAZ-UHFFFAOYSA-N
- CAS Registry Number: 78-92-2
- 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. - Species with the same structure:
- Stereoisomers:
- Other names: sec-Butyl Alcohol; sec-Butanol; CCS 301; Ethyl methyl carbinol; Methyl ethyl carbinol; 1-Methyl-1-propanol; 1-Methylpropyl alcohol; 2-Hydroxybutane; sec-C4H9OH; Butane, 2-hydroxy-; Butanol-2; Butan-2-ol; 2-Butyl alcohol; s-Butyl alcohol; Butylene hydrate; DL-sec-Butanol; DL-2-Butanol; Alcool butylique secondaire; Butanol secondaire; s-Butanol; 1-Methyl propanol; n-Butan-2-ol; NSC 25499
- 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.
Condensed phase thermochemistry data
Go To: Top, IR Spectrum, 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | -342.7 ± 0.59 | kJ/mol | Ccb | Chao and Rossini, 1965 | see Rossini, 1934; ALS |
ΔfH°liquid | -342.6 ± 0.92 | kJ/mol | Ccb | Skinner and Snelson, 1960 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -2660.6 ± 0.54 | kJ/mol | Ccb | Chao and Rossini, 1965 | see Rossini, 1934; Corresponding ΔfHºliquid = -342.6 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°liquid | -2660.6 ± 0.92 | kJ/mol | Ccb | Skinner and Snelson, 1960 | Corresponding ΔfHºliquid = -342.5 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 213.1 | J/mol*K | N/A | Andon, Connett, et al., 1971 | DH |
S°liquid | 214.7 | J/mol*K | N/A | Andon, Connett, et al., 1971 | DH |
Constant pressure heat capacity of liquid
Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
197.1 | 298.15 | N/A | DH |
198.03 | 298.15 | Okano, Ogawa, et al., 1988 | DH |
196.67 | 298.15 | Piekarski and Somsen, 1988 | DH |
199.2 | 298. | Conti, Gianni, et al., 1976 | DH |
197.4 | 298.15 | Andon, Connett, et al., 1971 | T = 11 to 350 K.; DH |
196.8 | 298.15 | Andon, Connett, et al., 1971 | T = 11 to 350 K.; DH |
184.9 | 281.7 | Parks, Thomas, et al., 1936 | T = 103 to 282 K. Glass at lower temperature. Unsmoothed experimental datum.; DH |
IR Spectrum
Go To: Top, Condensed phase thermochemistry data, References, Notes
Data compiled by: Coblentz Society, Inc.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
References
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Chao and Rossini, 1965
Chao, J.; Rossini, F.D.,
Heats of combustion, formation, and isomerization of nineteen alkanols,
J. Chem. Eng. Data, 1965, 10, 374-379. [all data]
Rossini, 1934
Rossini, F.D.,
Heats of combustion and of formation of the normal aliphatic alcohols in the gaseous and liquid states, and the energies of their atomic linkages,
J. Res. NBS, 1934, 13, 189-197. [all data]
Skinner and Snelson, 1960
Skinner, H.A.; Snelson, A.,
The heats of combustion of the four isomeric butyl alcohols,
Trans. Faraday Soc., 1960, 56, 1776-1783. [all data]
Andon, Connett, et al., 1971
Andon, R.J.; Connett, J.E.; Counsell, J.F.; Lees, E.B.; Martin, J.F.,
Thermodynamic properties of organic oxygen compounds. Part XXVII. (±)-Butan-2-ol and (+)-Butan-2-ol, 1971, J. [all data]
Okano, Ogawa, et al., 1988
Okano, T.; Ogawa, H.; Murakami, S.,
Molar excess volumes, isentropic compressions, and isobaric heat capacities of methanol-isomeric butanol systems at 298.15 K,
Can. J. Chem., 1988, 66, 713-717. [all data]
Piekarski and Somsen, 1988
Piekarski, H.; Somsen, G.,
Heat capacities and volumes of mixtures of N,N-dimethylformamide with isobutanol, sec-butanol and t-pentanol, J. Chem. Soc.,
Faraday Trans. 1, 1988, 84(2), 529-537. [all data]
Conti, Gianni, et al., 1976
Conti, G.; Gianni, P.; Matteoli, E.; Mengheri, M.,
Capacita termiche molari di alcuni composti organici mono- e bifunzionali nel liquido puro e in soluzione acquosa a 25C,
Chim. Ind. (Milan), 1976, 58, 225. [all data]
Parks, Thomas, et al., 1936
Parks, G.S.; Thomas, S.B.; Light, D.W.,
XII. Some new heat capacity data for organic glasses. The entropy and free energy of DL-lactic acid,
J. Chem. Phys., 1936, 4, 64-69. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions - 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.