3-Pentanol, 3-ethyl-
- Formula: C7H16O
- Molecular weight: 116.2013
- IUPAC Standard InChIKey: XKIRHOWVQWCYBT-UHFFFAOYSA-N
- CAS Registry Number: 597-49-9
- 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: Triethylcarbinol; Triethylmethanol; 3-Ethyl-3-pentanol; 3-Aethyl-pentanol-(3); 3-Ethyl-3-hydroxypentane; Ethyl-3 pentanol-3; 3-ethylpentan-3-ol
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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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 415. ± 2. | K | AVG | N/A | Average of 15 out of 16 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 260.81 | K | N/A | Timmermans and Hennaut-Roland, 1955 | Uncertainty assigned by TRC = 0.2 K; TRC |
Tfus | 258.95 | K | N/A | Timmermans, 1952 | Uncertainty assigned by TRC = 0.5 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 13.7 ± 0.05 | kcal/mol | GS | Roganov, Pisarev, et al., 2005 | Based on data from 275. to 311. K.; AC |
Reduced pressure boiling point
Tboil (K) | Pressure (atm) | Reference | Comment |
---|---|---|---|
414.2 | 0.978 | Aldrich Chemical Company Inc., 1990 | BS |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
12.3 | 332. | A | Stephenson and Malanowski, 1987 | Based on data from 317. to 408. K. See also Kkykj and Repas, 1973.; AC |
13.2 | 323. | N/A | Wilhoit and Zwolinski, 1973 | Based on data from 308. to 416. 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
C7H15O- + =
By formula: C7H15O- + H+ = C7H16O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 370.9 ± 2.8 | kcal/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° | 364.3 ± 2.7 | kcal/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 |
---|---|---|---|---|---|
Packed | Apiezon L | 120. | 851. | Bogoslovsky, Anvaer, et al., 1978 | Celite 545 |
Packed | Apiezon L | 160. | 863. | Bogoslovsky, Anvaer, et al., 1978 | Celite 545 |
Packed | SE-30 | 100. | 853. | Pías and Gascó, 1975 | Ar, Chromosorb W AW DMCS HP (80-100 mesh); Column length: 1. m |
Packed | SE-30 | 120. | 847. | Pías and Gascó, 1975 | Ar, Chromosorb W AW DMCS HP (80-100 mesh); Column length: 1. m |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | Polyethylene Glycol 4000 | 100. | 1212. | Bonastre and Grenier, 1968 | Chromosorb P; Column length: 6. m |
Packed | Polyethylene Glycol 4000 | 120. | 1208. | Bonastre and Grenier, 1968 | Chromosorb P; Column length: 6. m |
Packed | Polyethylene Glycol 4000 | 140. | 1205. | Bonastre and Grenier, 1968 | Chromosorb P; Column length: 6. m |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-1 | 836. | Guan, Zheng, et al., 1992 | 50. m/0.32 mm/0.52 μm, H2, 1. K/min; Tstart: 30. C |
Capillary | OV-101 | 866. | 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 | Methyl Silicone | 853. | Chen and Feng, 2007 | Program: not specified |
Capillary | Methyl Silicone | 853. | Kou, Zhang, et al., 2006 | Program: not specified |
Capillary | Methyl Silicone | 853. | Fu and Wang, 2004 | Program: not specified |
Capillary | SE-30 | 866. | Vinogradov, 2004 | Program: not specified |
Capillary | Methyl Silicone | 843. | Estrada and Gutierrez, 1999 | Program: not specified |
Normal alkane RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax 20M | 1183. | 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 | 1183. | Vinogradov, 2004 | Program: not specified |
Capillary | DB-Wax | 1196. | Peng, Yang, et al., 1991 | 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.
Timmermans and Hennaut-Roland, 1955
Timmermans, J.; Hennaut-Roland, M.,
Work of the International Bureau of Physical-Chemical Standards. IX. The Physical Constants of Twenty Organic Compounds,
J. Chim. Phys. Phys.-Chim. Biol., 1955, 52, 223. [all data]
Timmermans, 1952
Timmermans, J.,
Freezing points of organic compounds. VVI New determinations.,
Bull. Soc. Chim. Belg., 1952, 61, 393. [all data]
Roganov, Pisarev, et al., 2005
Roganov, Gennady N.; Pisarev, Pavel N.; Emel'yanenko, Vladimir N.; Verevkin, Sergey P.,
Measurement and Prediction of Thermochemical Properties. Improved Benson-Type Increments for the Estimation of Enthalpies of Vaporization and Standard Enthalpies of Formation of Aliphatic Alcohols,
J. Chem. Eng. Data, 2005, 50, 4, 1114-1124, https://doi.org/10.1021/je049561m
. [all data]
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 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]
Kkykj and Repas, 1973
Kkykj, J.; Repas, M.,
Petrochemia, 1973, 13, 179. [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]
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]
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]
Pías and Gascó, 1975
Pías, J.B.; Gascó, L.,
GC Retention Data of Alcohols and Benzoyl Derivatives of Alcohols,
J. Chromatogr. - Chrom. Data, 1975, d14-d16. [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]
Guan, Zheng, et al., 1992
Guan, Y.; Zheng, P.; Zhou, L.,
Prediction, optimization of separation, and identification of unknown compounds in capillary gas chromatography,
J. Hi. Res. Chromatogr., 1992, 15, 1, 18-23, https://doi.org/10.1002/jhrc.1240150106
. [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]
Chen and Feng, 2007
Chen, Y.; Feng, C.,
QSPR study on gas chromatography retention index of some organic pollutants,
Comput. Appl. Chem. (China), 2007, 24, 10, 1404-1408. [all data]
Kou, Zhang, et al., 2006
Kou, J.; Zhang, S.; Hu, Y.; Qiao, H.; Li, J.,
Stidy on the relationships between structures and gas chromatographic retention indices of alcohols,
Comput. Appl. Chem. (Chinese), 2006, 23, 7, 651-654. [all data]
Fu and Wang, 2004
Fu, S.-P.; Wang, Y.-Q.,
Estimation and prediction of gas chromatographic retention indices of alcohols by molecular electronegativity-distance vector,
J. Chongqing Univ., 2004, 27, 6, 106-109. [all data]
Vinogradov, 2004
Vinogradov, B.A.,
Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]
Estrada and Gutierrez, 1999
Estrada, E.; Gutierrez, Y.,
Modeling chromatographic parameters by a novel graph theoretical sub-structural approach,
J. Chromatogr. A, 1999, 858, 2, 187-199, https://doi.org/10.1016/S0021-9673(99)00808-0
. [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, Phase change data, Gas phase ion energetics data, Gas Chromatography, References
- Symbols used in this document:
Tboil Boiling point 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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