3-Pentanol, 2,4-dimethyl-
- Formula: C7H16O
- Molecular weight: 116.2013
- IUPAC Standard InChIKey: BAYAKMPRFGNNFW-UHFFFAOYSA-N
- CAS Registry Number: 600-36-2
- 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: Diisopropylcarbinol; Diisopropylmethanol; 2,4-Dimethyl-3-hydroxypentane; 2,4-Dimethyl-3-pentanol; 2,4-dimethylpentan-3-ol
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Phase change data
Go To: Top, Gas phase ion energetics data, IR Spectrum, 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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 411. ± 5. | K | AVG | N/A | Average of 18 values; Individual data points |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
51.8 | 328. | C | Weber and Defibaugh, 1996 | AC |
48.8 | 343. | C | Weber and Defibaugh, 1996 | AC |
45.7 | 358. | C | Weber and Defibaugh, 1996 | AC |
53.6 | 322. | A | Stephenson and Malanowski, 1987 | Based on data from 307. to 412. K. See also Wilhoit and Zwolinski, 1973.; AC |
Gas phase ion energetics data
Go To: Top, Phase change data, IR Spectrum, 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° | 1551. ± 13. | 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° | 1523. ± 13. | kJ/mol | CIDC | Boand, Houriet, et al., 1983 | gas phase; value altered from reference due to change in acidity scale |
IR Spectrum
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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 |
Gas Chromatography
Go To: Top, Phase change data, Gas phase ion energetics 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
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | Apiezon L | 120. | 820. | Bogoslovsky, Anvaer, et al., 1978 | Celite 545 |
Packed | Apiezon L | 160. | 831. | Bogoslovsky, Anvaer, et al., 1978 | Celite 545 |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 | 827. | Rostad and Pereira, 1986 | 30. m/0.26 mm/0.25 μm, He, 50. C @ 4. min, 6. K/min, 300. C @ 20. min |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | VF-5MS | 838. | 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 | 828. | 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 | 821. | Feng and Mu, 2007 | Program: not specified |
Capillary | SE-30 | 828. | Vinogradov, 2004 | Program: not specified |
Capillary | Polydimethyl siloxane | 821. | Junkes, Castanho, et al., 2003 | Program: not specified |
Capillary | Methyl Silicone | 821. | Estrada and Gutierrez, 1999 | Program: not specified |
Normal alkane RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | PEG | 100. | 1220. | Dowling, Evans, et al., 1990 | Phasesep W (10 %) |
Normal alkane RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax 20M | 1157. | 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 | 1157. | Vinogradov, 2004 | Program: not specified |
Capillary | Supelcowax | 1187. | Garneau, Bouhajib, et al., 1994 | Column length: 30. m; Column diameter: 0.25 mm; Program: not specified |
Lee's RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 | 132.11 | Rostad and Pereira, 1986 | 30. m/0.26 mm/0.25 μm, He, 50. C @ 4. min, 6. K/min, 300. C @ 20. min |
References
Go To: Top, Phase change data, Gas phase ion energetics data, IR Spectrum, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Weber and Defibaugh, 1996
Weber, Lloyd A.; Defibaugh, Dana R.,
Vapor Pressure of Pentafluorodimethyl Ether,
J. Chem. Eng. Data, 1996, 41, 3, 382-385, https://doi.org/10.1021/je950217m
. [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]
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]
Rostad and Pereira, 1986
Rostad, C.E.; Pereira, W.E.,
Kovats and Lee retention indices determined by gas chromatography/mass spectrometry for organic compounds of environmental interest,
J. Hi. Res. Chromatogr. Chromatogr. Comm., 1986, 9, 6, 328-334, https://doi.org/10.1002/jhrc.1240090603
. [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]
Feng and Mu, 2007
Feng, H.; Mu, L.-L.,
Quantitative structure-retention relationships for alkane and its derivatives based on electrotopological state index and molecular shape index,
Chem. Ind. Engineering (Chinese), 2007, 24, 2, 161-168. [all data]
Vinogradov, 2004
Vinogradov, B.A.,
Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]
Junkes, Castanho, et al., 2003
Junkes, B.S.; Castanho, R.D.M.; Amboni, C.; Yunes, R.A.; Heinzen, V.E.F.,
Semiempirical Topological Index: A Novel Molecular Descriptor for Quantitative Structure-Retention Relationship Studies,
Internet Electronic Journal of Molecular Design, 2003, 2, 1, 33-49. [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]
Dowling, Evans, et al., 1990
Dowling, J.J.; Evans, M.B.; Haken, J.K.,
Gas-liquid chromatography in qualitative analysis. XVIII. Study of the dependence of the retention behavior of polyoxyethylene glycol columns on the nature of the support and phase loading,
J. Chromatogr., 1990, 500, 355-365, https://doi.org/10.1016/S0021-9673(00)96077-1
. [all data]
Garneau, Bouhajib, et al., 1994
Garneau, F.X.; Bouhajib, M.; Collin, G.J.; Gagnon, M.; ApSimon, J.W.,
The glycosidically bound volatile compounds of Picea mariana (Mill.) B.S.P.,
J. Essent. Oil Res., 1994, 6, 1, 43-46, https://doi.org/10.1080/10412905.1994.9698323
. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, IR Spectrum, Gas Chromatography, References
- Symbols used in this document:
Tboil Boiling point ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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