2-Butanol, 2,3-dimethyl-

Data at NIST subscription sites:

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.


Gas phase thermochemistry data

Go To: Top, Phase change 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 compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas-357.0 ± 0.59kJ/molEqkWiberg and Hao, 1991Heat of hydration

Phase change data

Go To: Top, Gas phase 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 compiled as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil392. ± 3.KAVGN/AAverage of 16 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus262.75KN/AHoward, Mears, et al., 1947Uncertainty assigned by TRC = 0.2 K; TRC
Tfus262.6KN/AKistiakowsky, Ruhoff, et al., 1936Uncertainty assigned by TRC = 0.3 K; TRC
Quantity Value Units Method Reference Comment
Δvap54.02 ± 0.84kJ/molVWiberg and Hao, 1991Heat of hydration; ALS
Δvap54.0kJ/molN/AWiberg and Hao, 1991DRB
Δvap54.0 ± 0.8kJ/molN/AWiberg and Hao, 1991Based on data from 303. to 340. K.; AC

Reduced pressure boiling point

Tboil (K) Pressure (bar) Reference Comment
337.70.11Weast and Grasselli, 1989BS

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
48.8314.AStephenson and Malanowski, 1987Based on data from 299. to 400. K.; AC
49.1313.N/AWilhoit and Zwolinski, 1973Based on data from 298. to 393. K.; AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Phase change 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

Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.

Mass spectrum
For Zoom
1.) Enter the desired X axis range (e.g., 100, 200)
2.) Check here for automatic Y scaling
3.) Press here to zoom

Additional Data

View image of digitized spectrum (can be printed in landscape orientation).

Due to licensing restrictions, this spectrum cannot be downloaded.

Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Japan AIST/NIMC Database- Spectrum MS-NW-7479
NIST MS number 238481

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


Gas Chromatography

Go To: Top, Gas phase thermochemistry data, Phase change 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

View large format table.

Column type Active phase Temperature (C) I Reference Comment
CapillaryOV-10180.715.2Boneva, 1987N2; Column length: 100. m; Column diameter: 0.27 mm
CapillaryOV-10190.716.3Boneva, 1987N2; Column length: 100. m; Column diameter: 0.27 mm
PackedApiezon L120.714.Bogoslovsky, Anvaer, et al., 1978Celite 545
PackedApiezon L160.725.Bogoslovsky, Anvaer, et al., 1978Celite 545

Kovats' RI, polar column, isothermal

View large format table.

Column type Active phase Temperature (C) I Reference Comment
CapillaryCarbowax 20M80.1100.Boneva, 1987N2; Column length: 50. m; Column diameter: 0.23 mm
CapillaryCarbowax 20M90.1101.Boneva, 1987N2; Column length: 50. m; Column diameter: 0.23 mm

Normal alkane RI, polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillaryDB-Wax1082.Peng, Yang, et al., 1991Program: not specified

References

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

Wiberg and Hao, 1991
Wiberg, K.B.; Hao, S., Enthalpies of hydration of alkenes. 4. Formation of acyclic tert-alcohols, J. Org. Chem., 1991, 56, 5108-5110. [all data]

Howard, Mears, et al., 1947
Howard, F.L.; Mears, T.W.; Fookson, A.; Pomerantz, P.; Brooks, D.B., Preparation and physical properties of several aliphatic hydrocarbons and intermediates, J. Res. Natl. Bur. Stand. (U. S.), 1947, 38, 365. [all data]

Kistiakowsky, Ruhoff, et al., 1936
Kistiakowsky, G.B.; Ruhoff, J.R.; Smith, H.A.; Vaughan, W.E., Heats of Organic Reactions III. Hydrogenation of SOme Higher Olefins, J. Am. Chem. Soc., 1936, 58, 137. [all data]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [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]

Wilhoit and Zwolinski, 1973
Wilhoit, R.C.; Zwolinski, B.J., Physical and thermodynamic properties of aliphatic alcohols, J. Phys. Chem. Ref. Data Suppl., 1973, 1, 2, 1. [all data]

Boneva, 1987
Boneva, S., Gas Chromatographic Retention Indices for C6 Alkanols on OV-101 and Carbowax 20M Capillary Columns, Chromatographia, 1987, 23, 1, 50-52, https://doi.org/10.1007/BF02310419 . [all data]

Bogoslovsky, Anvaer, et al., 1978
Bogoslovsky, Yu.N.; Anvaer, B.I.; Vigdergauz, M.S., Chromatographic constants in gas chromatography (in Russian), Standards Publ. House, Moscow, 1978, 192. [all data]

Peng, Yang, et al., 1991
Peng, C.T.; Yang, Z.C.; Ding, S.F., Prediction of rentention idexes. II. Structure-retention index relationship on polar columns, J. Chromatogr., 1991, 586, 1, 85-112, https://doi.org/10.1016/0021-9673(91)80028-F . [all data]


Notes

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