3-Butyn-2-ol, 2-methyl-
- Formula: C5H8O
- Molecular weight: 84.1164
- IUPAC Standard InChIKey: CEBKHWWANWSNTI-UHFFFAOYSA-N
- CAS Registry Number: 115-19-5
- 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: α,α-Dimethylpropargyl alcohol; Dimethylacetylenecarbinol; Dimethylacetylenylcarbinol; Dimethylethynylcarbinol; Dimethylethynylmethanol; Ethynyldimethylcarbinol; 1,1-Dimethyl-2-propynol; 1,1-Dimethylpropargyl alcohol; 2-Methyl-2-butynol; 2-Methyl-3-butyn-2-ol; 3-Methyl-1-butyn-3-ol; 3-Hydroxy-3-methyl-1-butyne; Carbavane; 3-Methylbutynol; 1-Butyn-3-ol, 3-methyl-; 1,1-Dimethylpropynol; 2-Hydroxy-2-methyl-3-butyne; 3-Methyl-butin-(1)-ol-(3); 2-Methylbutyn-3-ol-2; NSC 523; 2-methylbut-3-yn-2-ol
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Phase change data
Go To: Top, 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 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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 377. | K | N/A | Farchan Laboratories, 1990 | BS |
Tboil | 377.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 377.15 | K | N/A | Henne and Greenlee, 1945 | Uncertainty assigned by TRC = 0.5 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 276.16 | K | N/A | Henne and Greenlee, 1945 | Uncertainty assigned by TRC = 0.2 K; TRC |
Tfus | 275.15 | K | N/A | Campbell and Eby, 1941 | Uncertainty assigned by TRC = 1.5 K; TRC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
41.0 | 353. | A | Zaretskii, Chartov, et al., 1999 | Based on data from 333. to 377. K.; AC |
43.9 | 337. | A | Stephenson and Malanowski, 1987 | Based on data from 294. to 380. K. See also Dykyj, 1972.; AC |
49.5 | 309. | N/A | Boublik, Fried, et al., 1984 | Based on data from 294. to 380. K. See also Conner, Elving, et al., 1950.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
294.8 to 379.3 | 3.86929 | 1016.517 | -114.493 | Conner, Elving, et al., 1950 | Coefficents calculated by NIST from author's data. |
Gas phase ion energetics data
Go To: Top, 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: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
10.18 | PE | Andreocci, Bitchev, et al., 1979 | Vertical value |
Mass spectrum (electron ionization)
Go To: Top, Phase change 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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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 | M.E.FITZGERALD ARCO CHEMICAL COMPANY, PHILADELPHIA, USA |
NIST MS number | 19343 |
References
Go To: Top, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Farchan Laboratories, 1990
Farchan Laboratories,
Research Chemicals Catalog, Farchan Laboratories, Gainesville, FL, 1990, 91. [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]
Henne and Greenlee, 1945
Henne, A.L.; Greenlee, K.W.,
Preparation and Physical Constants of Acetylenic Compounds,
J. Am. Chem. Soc., 1945, 67, 484-5. [all data]
Campbell and Eby, 1941
Campbell, K.N.; Eby, L.T.,
The Reduction of Multiple Carbon-Carbon Bonds III. Further Studies on the Preparation of Olefins from Acetylenes,
J. Am. Chem. Soc., 1941, 63, 2683. [all data]
Zaretskii, Chartov, et al., 1999
Zaretskii, M.I.; Chartov, E.M.; Pushkina, L.A.; Elkin, V.V.,
Liquid-vapor phase equilibria in systems formed by C5 and C10 tertiary acetylenic alcohols with dimethyl sulfoxide and N-Methylpyrrolidone,
Zh. Prikl. Khim., 1999, 72, 10, 1612. [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]
Dykyj, 1972
Dykyj, J.,
Petrochemia, 1972, 12, 1, 13. [all data]
Boublik, Fried, et al., 1984
Boublik, T.; Fried, V.; Hala, E.,
The Vapour Pressures of Pure Substances: Selected Values of the Temperature Dependence of the Vapour Pressures of Some Pure Substances in the Normal and Low Pressure Region, 2nd ed., Elsevier, New York, 1984, 972. [all data]
Conner, Elving, et al., 1950
Conner, Albert Z.; Elving, Philip J.; Benischeck, Joseph; Tobias, Philip E.; Steingiser, Samuel,
Vapor-Liquid Equilibria in Binary Systems -Water-2-Methyl-3-butyn-2-ol and Water-3-Hydroxy-3-methyl-butanone,
Ind. Eng. Chem., 1950, 42, 1, 106-110, https://doi.org/10.1021/ie50481a030
. [all data]
Andreocci, Bitchev, et al., 1979
Andreocci, M.V.; Bitchev, P.; Carusi, P.; Furlani, A.,
Valence shell photoionization spectra of some substituted hydroxy-acetylenes. A tentative correlation with their cyclotrimerization reactions,
J. Electron Spectrosc. Relat. Phenom., 1979, 16, 25. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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