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, Gas phase ion energetics 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 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 | 35.2 ± 0.2 | bar | N/A | Gude and Teja, 1995 | |
Pc | 35.20 | bar | N/A | Quadri, Khilar, et al., 1991 | Uncertainty assigned by TRC = 0.50 bar; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 55.7 ± 0.3 | kJ/mol | GS | Kulikov, Verevkin, et al., 2001 | Based on data from 275. to 301. K.; AC |
ΔvapH° | 56.65 ± 0.84 | kJ/mol | V | Wiberg and Hao, 1991 | Heat of hydration; ALS |
ΔvapH° | 56.6 | kJ/mol | N/A | Wiberg and Hao, 1991 | DRB |
ΔvapH° | 56.7 ± 0.8 | kJ/mol | N/A | Wiberg and Hao, 1991 | AC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
40.1 | 337. | A | Stephenson and Malanowski, 1987 | Based on data from 322. to 397. K.; AC |
46.4 | 353. | N/A | Wilhoit and Zwolinski, 1973 | Based on data from 338. to 396. K.; AC |
42.1 | 346. | I | Hovorka, Lankelma, et al., 1940 | Based on data from 298. to 393. K.; AC |
Gas phase ion energetics data
Go To: Top, 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: John E. Bartmess
De-protonation reactions
C6H13O- + =
By formula: C6H13O- + H+ = C6H14O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1556. ± 8.4 | kJ/mol | CIDC | Haas and Harrison, 1993 | gas phase; Both metastable and 50 eV collision energy. |
ΔrH° | 1556. ± 12. | kJ/mol | G+TS | Boand, Houriet, et al., 1983 | gas phase; value altered from reference due to change in acidity scale |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1528. ± 8.8 | kJ/mol | H-TS | Haas and Harrison, 1993 | gas phase; Both metastable and 50 eV collision energy. |
ΔrG° | 1528. ± 11. | kJ/mol | CIDC | Boand, Houriet, et al., 1983 | gas phase; value altered from reference due to change in acidity scale |
Gas Chromatography
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
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | OV-101 | 80. | 733.4 | Boneva, 1987 | N2; Column length: 100. m; Column diameter: 0.27 mm |
Capillary | OV-101 | 90. | 733.9 | Boneva, 1987 | N2; Column length: 100. m; Column diameter: 0.27 mm |
Packed | Apiezon L | 120. | 737. | Bogoslovsky, Anvaer, et al., 1978 | Celite 545 |
Packed | Apiezon L | 160. | 749. | Bogoslovsky, Anvaer, et al., 1978 | Celite 545 |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | Polyethylene Glycol 4000 | 100. | 1115. | Bonastre and Grenier, 1968 | Chromosorb P; Column length: 6. m |
Packed | Polyethylene Glycol 4000 | 120. | 1112. | Bonastre and Grenier, 1968 | Chromosorb P; Column length: 6. m |
Packed | Polyethylene Glycol 4000 | 140. | 1108. | Bonastre and Grenier, 1968 | Chromosorb P; Column length: 6. m |
Packed | Polyethylene Glycol 4000 | 80. | 1119. | Bonastre and Grenier, 1968 | Chromosorb P; Column length: 6. m |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | VF-5MS | 755.9 | Tret'yakov, 2007 | 30. m/0.25 mm/0.25 μm, He; Program: Multi-step temperature program; T(initial)=60C; T(final)=270C |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-101 | 757. | Anker, Jurs, et al., 1990 | 2. K/min; Column length: 50. m; Column diameter: 0.28 mm; Tstart: 80. C; Tend: 200. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SE-30 | 757. | Vinogradov, 2004 | Program: not specified |
Normal alkane RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax 20M | 1080. | Anker, Jurs, et al., 1990 | 2. K/min; Column length: 80. m; Column diameter: 0.2 mm; Tstart: 70. C; Tend: 170. C |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax 20M | 1080. | Vinogradov, 2004 | Program: not specified |
References
Go To: Top, Phase change data, Gas phase ion energetics data, Gas Chromatography, 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]
Haas and Harrison, 1993
Haas, M.J.; Harrison, A.G.,
The Fragmentation of Proton-Bound Cluster Ions and the Gas-Phase Acidities of Alcohols,
Int. J. Mass Spectrom. Ion Proc., 1993, 124, 2, 115, https://doi.org/10.1016/0168-1176(93)80003-W
. [all data]
Boand, Houriet, et al., 1983
Boand, G.; Houriet, R.; Baumann, T.,
The gas phase acidity of aliphatic alcohols,
J. Am. Chem. Soc., 1983, 105, 2203. [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]
Bonastre and Grenier, 1968
Bonastre, J.; Grenier, P.,
Contribution à l'étude de la polarité des phases stationnaires en chromatographie gaz-liquide. III. Calcul des coefficients d'activité relatifs et des indices de rétention de quelques alcools aliphatiques,
Bull. Soc. Chim. Fr., 1968, 1, 118-125. [all data]
Tret'yakov, 2007
Tret'yakov, K.V.,
Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2007. [all data]
Anker, Jurs, et al., 1990
Anker, L.S.; Jurs, P.C.; Edwards, P.A.,
Quantitative structure-retention relationship studies of odor-active aliphatic compounds with oxygen-containing functional groups,
Anal. Chem., 1990, 62, 24, 2676-2684, https://doi.org/10.1021/ac00223a006
. [all data]
Vinogradov, 2004
Vinogradov, B.A.,
Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, Gas Chromatography, References
- Symbols used in this document:
Pc Critical pressure Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions 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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