1-Propanol, 2,2-dimethyl-
- Formula: C5H12O
- Molecular weight: 88.1482
- IUPAC Standard InChIKey: KPSSIOMAKSHJJG-UHFFFAOYSA-N
- CAS Registry Number: 75-84-3
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: tert-Butylcarbinol; Neoamyl alcohol; Neopentanol; Neopentyl alcohol; 2,2-Dimethyl-1-propanol; (CH3)3CCH2OH; 2,2-Dimethylpropyl alcohol; tert-Amyl alcohol; 2,2-Dimethylpropanol; 2-Methyl-isobutanol; 2,2,2-Trimethylethanol
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Phase change data
Go To: Top, 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
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 385. ± 3. | K | AVG | N/A | Average of 26 out of 27 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 327. | K | N/A | Rai, Singh, et al., 1987 | Uncertainty assigned by TRC = 0.2 K; TRC |
Tfus | 325.7 | K | N/A | Murrill and Breed, 1970 | Crystal phase 1 phase; Uncertainty assigned by TRC = 3. K; TRC |
Tfus | 324.45 | K | N/A | McKenna, Tartar, et al., 1953 | Uncertainty assigned by TRC = 0.4 K; TRC |
Tfus | 323.15 | K | N/A | Whitmore, 1938 | Uncertainty assigned by TRC = 1.5 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 12.4 ± 0.07 | kcal/mol | GS,B | Kulikov, Verevkin, et al., 2001 | Based on data from 274. to 312. K.; AC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
11.4 | 345. | A | Stephenson and Malanowski, 1987 | Based on data from 330. to 387. K.; AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
0.69 | 328.2 | AC | Straka, van Genderen, et al., 2007 | Based on data from 10. to 370. K.; AC |
0.925 | 329.8 | N/A | Censký, Ruzicka, et al., 2003 | AC |
0.891 | 329.8 | N/A | Salud, López, et al., 1999 | AC |
0.84 | 328.1 | DSC | Granzow, 1996 | AC |
0.970 | 325. | N/A | Murrill and Breed, 1970, 2 | AC |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
3.210 | 146. | Parks, Huffman, et al., 1933 | CAL |
0.19 | 213. | ||
4.034 | 264. |
Enthalpy of phase transition
ΔHtrs (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
1.067 | 242. | crystaline, II | crystaline, I | Murrill and Breed, 1970, 2 | DH |
0.9696 | 325. | crystaline, I | liquid | Murrill and Breed, 1970, 2 | DH |
Entropy of phase transition
ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
4.40 | 242. | crystaline, II | crystaline, I | Murrill and Breed, 1970, 2 | DH |
2.99 | 325. | crystaline, I | liquid | Murrill and Breed, 1970, 2 | DH |
References
Go To: Top, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Rai, Singh, et al., 1987
Rai, U.S.; Singh, O.P.; Singh, N.B.,
Solidification behavior of organic eutectic, succinonitrile-neopenty alcohol system,
J. Chim. Phys. Phys.-Chim. Biol., 1987, 84, 483. [all data]
Murrill and Breed, 1970
Murrill, E.; Breed, L.W.,
Solid-solid phase transitions determined by differential scanning calorime- try. Part I. Tetrahedral Substances.,
Thermochim. Acta, 1970, 1, 239. [all data]
McKenna, Tartar, et al., 1953
McKenna, F.E.; Tartar, H.V.; Lingafelter, E.C.,
Studies of hemiacetal formation in alcohol - aldehyde systems: II refraction studies,
J. Am. Chem. Soc., 1953, 75, 604-7. [all data]
Whitmore, 1938
Whitmore, F.C.,
The Reducing Action of Grignard Reagents on Acyl Chlorides,
Recl. Trav. Chim. Pays-Bas, 1938, 57, 562. [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]
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]
Straka, van Genderen, et al., 2007
Straka, Martin; van Genderen, Aad; Ruzicka, Kvetoslav; Ruzicka, Vlastimil,
Heat Capacities in the Solid and in the Liquid Phase of Isomeric Pentanols,
J. Chem. Eng. Data, 2007, 52, 3, 794-802, https://doi.org/10.1021/je060411g
. [all data]
Censký, Ruzicka, et al., 2003
Censký, Miroslav; Ruzicka, Kvetoslav; Ruzicka, Vlastimil; Zábranský, Milan,
Heat capacities of alkanols,
Thermochimica Acta, 2003, 408, 1-2, 45-53, https://doi.org/10.1016/S0040-6031(03)00317-4
. [all data]
Salud, López, et al., 1999
Salud, Josep; López, David O.; Barrio, Maria; Tamarit, Josep Ll.,
Two-component systems of isomorphous orientationally disordered crystals. Part 1 Packing of the mixed crystals,
J. Mater. Chem., 1999, 9, 4, 909-916, https://doi.org/10.1039/a808258h
. [all data]
Granzow, 1996
Granzow, Bettina,
Hydrogen bonding and phase transitions of a group of alcohols derived from 2,2-dimethylpropane,
Journal of Molecular Structure, 1996, 381, 1-3, 127-131, https://doi.org/10.1016/0022-2860(96)09232-0
. [all data]
Murrill and Breed, 1970, 2
Murrill, E.; Breed, L.,
Solid-solid phase transitions determined by differential scanning calorimetry,
Thermochim. Acta, 1970, 1, 239-246. [all data]
Parks, Huffman, et al., 1933
Parks, G.S.; Huffman, H.M.; Barmore, M.,
Thermal Data on Organic Compounds. XI. The Heat Capacities, Entropies and Free Energies of Ten Compounds Containing Oxygen or Nitrogen,
J. Am. Chem. Soc., 1933, 55, 7, 2733, https://doi.org/10.1021/ja01334a016
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion 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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