3-Pentanol, 3-methyl-
- Formula: C6H14O
- Molecular weight: 102.1748
- IUPAC Standard InChIKey: FRDAATYAJDYRNW-UHFFFAOYSA-N
- CAS Registry Number: 77-74-7
- 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: 3-Methyl-3-pentanol; 3-Methylpentan-3-ol; Methyldiaethylcarbinol; Methyldiethylcarbinol; 3-Methyl-pentanol-(3); Methyl-3 pentanol-3
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Phase change data
Go To: Top, IR Spectrum, 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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 395. ± 2. | K | AVG | N/A | Average of 22 out of 24 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 249.55 | K | N/A | Howard, Mears, et al., 1947 | Uncertainty assigned by TRC = 0.2 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 575.6 ± 0.6 | K | N/A | Gude and Teja, 1995 | |
Tc | 575.6 | K | N/A | Quadri, Khilar, et al., 1991 | Uncertainty assigned by TRC = 0.8 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 34.7 ± 0.2 | atm | N/A | Gude and Teja, 1995 | |
Pc | 34.74 | atm | N/A | Quadri, Khilar, et al., 1991 | Uncertainty assigned by TRC = 0.49 atm; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 13.3 ± 0.07 | kcal/mol | GS | Kulikov, Verevkin, et al., 2001 | Based on data from 275. to 301. K.; AC |
ΔvapH° | 13.54 ± 0.20 | kcal/mol | V | Wiberg and Hao, 1991 | Heat of hydration; ALS |
ΔvapH° | 13.5 | kcal/mol | N/A | Wiberg and Hao, 1991 | DRB |
ΔvapH° | 13.6 ± 0.2 | kcal/mol | N/A | Wiberg and Hao, 1991 | AC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
9.58 | 337. | A | Stephenson and Malanowski, 1987 | Based on data from 322. to 397. K.; AC |
11.1 | 353. | N/A | Wilhoit and Zwolinski, 1973 | Based on data from 338. to 396. K.; AC |
10.1 | 346. | I | Hovorka, Lankelma, et al., 1940 | Based on data from 298. to 393. K.; AC |
IR Spectrum
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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Gas Phase Spectrum
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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.
Additional Data
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Owner | NIST Standard Reference Data Program Collection (C) 2018 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Sadtler Research Labs Under US-EPA Contract |
State | gas |
Mass spectrum (electron ionization)
Go To: Top, Phase change data, 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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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 | NIST Mass Spectrometry Data Center |
NIST MS number | 333923 |
References
Go To: Top, Phase change data, IR Spectrum, 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.
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]
Gude and Teja, 1995
Gude, M.; Teja, A.S.,
Vapor-Liquid Critical Properties of Elements and Compounds. 4. Aliphatic Alkanols,
J. Chem. Eng. Data, 1995, 40, 1025-1036. [all data]
Quadri, Khilar, et al., 1991
Quadri, S.K.; Khilar, K.C.; Kudchadker, A.P.; Patni, M.J.,
Measurement of the critical temperatures and critical pressures of some thermally stable or mildly unstable alkanols,
J. Chem. Thermodyn., 1991, 23, 67-76. [all data]
Kulikov, Verevkin, et al., 2001
Kulikov, Dmitry; Verevkin, Sergey P.; Heintz, Andreas,
Determination of Vapor Pressures and Vaporization Enthalpies of the Aliphatic Branched C 5 and C 6 Alcohols,
J. Chem. Eng. Data, 2001, 46, 6, 1593-1600, https://doi.org/10.1021/je010187p
. [all data]
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]
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]
Hovorka, Lankelma, et al., 1940
Hovorka, Frank; Lankelma, Herman P.; Axelrod, Abraham E.,
Thermodynamic Properties of the Hexyl Alcohols. III. 2-Methylpentanol-3 and 3-Methylpentanol-3,
J. Am. Chem. Soc., 1940, 62, 1, 187-189, https://doi.org/10.1021/ja01858a055
. [all data]
Notes
Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), References
- Symbols used in this document:
Pc Critical pressure Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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