1-Pentanol, 2,2,4-trimethyl-
- Formula: C8H18O
- Molecular weight: 130.2279
- IUPAC Standard InChIKey: CWPPDTVYIJETDF-UHFFFAOYSA-N
- CAS Registry Number: 123-44-4
- 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. - Species with the same structure:
- Other names: 2,2,4-Trimethyl-1-pentanol; 2,2,4-Trimethylpentanol; 2,2,4-trimethylpentan-1-ol; (dl) 2,4,4-trimethyl-1-pentanol
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Phase change data
Go To: Top, IR Spectrum, Mass spectrum (electron ionization), 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
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 438.15 | K | N/A | Brannock, 1963 | Uncertainty assigned by TRC = 3. K; TRC |
Tboil | 439.15 | K | N/A | Hagemeyer, Hull, et al., 1960 | Uncertainty assigned by TRC = 3. K; TRC |
Tboil | 439.4 | K | N/A | Brannock, 1959 | Uncertainty assigned by TRC = 3. K; TRC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
14.5 ± 0.02 | 328. | C | Ulbig, Klüppel, et al., 1996 | AC |
14.0 ± 0.02 | 343. | C | Ulbig, Klüppel, et al., 1996 | AC |
13.5 ± 0.02 | 358. | C | Ulbig, Klüppel, et al., 1996 | AC |
13.0 | 367. | A | Stephenson and Malanowski, 1987 | Based on data from 352. to 446. K.; AC |
13.1 | 348. | N/A | Wilhoit and Zwolinski, 1973 | Based on data from 333. to 441. K.; AC |
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 |
Mass spectrum (electron ionization)
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: 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 | Japan AIST/NIMC Database- Spectrum MS-NW-1342 |
NIST MS number | 229162 |
Gas Chromatography
Go To: Top, Phase change data, 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Van Den Dool and Kratz RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 1326. | Shiratsuchi, Shimoda, et al., 1994 | 60. m/0.25 mm/0.25 μm, 2. K/min, 230. C @ 60. min; Tstart: 50. C |
Capillary | DB-Wax | 1326. | Shiratsuchi, Shimoda, et al., 1994, 2 | 60. m/0.25 mm/0.25 μm, He, 2. K/min, 230. C @ 60. min; Tstart: 50. C |
References
Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Brannock, 1963
Brannock, K.C.,
, 1963. [all data]
Hagemeyer, Hull, et al., 1960
Hagemeyer, H.J.; Hull, D.C.; Perry, M.A.,
, 1960. [all data]
Brannock, 1959
Brannock, K.C.,
Preparation of substituted 4-pentenals,
J. Am. Chem. Soc., 1959, 81, 3379. [all data]
Ulbig, Klüppel, et al., 1996
Ulbig, P.; Klüppel, M.; Schulz, S.,
Extension of the UNIVAP group contribution method: enthalpies of vaporization of special alcohols in the temperature range from 313 to 358 K,
Thermochimica Acta, 1996, 271, 9-21, https://doi.org/10.1016/0040-6031(95)02595-2
. [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]
Shiratsuchi, Shimoda, et al., 1994
Shiratsuchi, H.; Shimoda, M.; Imayoshi, K.; Noda, K.; Osajima, Y.,
Off-flavor compounds in spray-dried skim milk powder,
J. Agric. Food Chem., 1994, 42, 6, 1323-1327, https://doi.org/10.1021/jf00042a014
. [all data]
Shiratsuchi, Shimoda, et al., 1994, 2
Shiratsuchi, H.; Shimoda, M.; Imayoshi, K.; Noda, K.; Osajima, Y.,
Volatile flavor compounds in spray-dried skim milk powder,
J. Agric. Food Chem., 1994, 42, 4, 984-988, https://doi.org/10.1021/jf00040a028
. [all data]
Notes
Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
Tboil Boiling point ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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