1,3-Propanediol, 2-ethyl-2-(hydroxymethyl)-
- Formula: C6H14O3
- Molecular weight: 134.1736
- IUPAC Standard InChIKey: ZJCCRDAZUWHFQH-UHFFFAOYSA-N
- CAS Registry Number: 77-99-6
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Ethriol; Ethyltrimethylolmethane; Etriol; Ettriol; Hexaglycerine; Propane, 1,1,1-tris(hydroxymethyl)-; Trimethylolpropane; TMP; TMP (Alcohol); 1,1,1-Trimethylolpropane; 1,1,1-Tris(Hydroxymethyl)propane; 2-Ethyl-2-(hydroxymethyl)propanediol; 2,2-Bis(hydroxymethyl)-1-butanol; 2-Ethyl-2-(hydroxymethyl)-1,3-propanediol; Hexaglycerol; Methanol, (propanetriyl)tris-; Tri(hydroxymethyl)propane; 1,1,1-Tri(hydroxymethyl)propane; Tris(hydroxymethyl)propane; Butanol, 2,2-bis(hydroxymethyl)-; NSC 3576; propylidynetrimethanol
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Condensed phase thermochemistry data
Go To: Top, Phase change 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°solid | -746.4 | kJ/mol | Ccb | Baroody and Carpenter, 1972 | ALS |
ΔfH°solid | -751.0 | kJ/mol | Ccb | Medard and Thomas, 1953 | Heat of combustion corrected for pressure; ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -3611. | kJ/mol | Ccb | Medard and Thomas, 1953 | Heat of combustion corrected for pressure; Corresponding ΔfHºsolid = -751.0 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
Constant pressure heat capacity of solid
Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
213.79 | 301.29 | Zhang and Yang, 1989 | T = 270 to 354 K; value is unsmoothed experimental datum.; DH |
Phase change data
Go To: Top, Condensed phase thermochemistry 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 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
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Ttriple | 333.40 | K | N/A | Zhang and Yang, 1989, 2 | Uncertainty assigned by TRC = 0.05 K; TRC |
Reduced pressure boiling point
Tboil (K) | Pressure (bar) | Reference | Comment |
---|---|---|---|
433.2 | 0.003 | Aldrich Chemical Company Inc., 1990 | BS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
81.4 | 448. | A | Stephenson and Malanowski, 1987 | Based on data from 433. to 570. K.; AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
21.450 | 333.40 | N/A | Zhang and Yang, 1989 | DH |
0.9 | 332.7 | DSC | Chandra, Mandalia, et al., 2002 | AC |
21.45 | 333.4 | AC | Zhang and Yang, 1989 | Based on data from 270. to 354. K.; AC |
Entropy of fusion
ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
64.3 | 333.40 | Zhang and Yang, 1989 | DH |
IR Spectrum
Go To: Top, Condensed phase thermochemistry data, Phase change data, References, Notes
Data compiled by: Coblentz Society, Inc.
- Not specified, most likely a prism, grating, or hybrid spectrometer.; (NO SPECTRUM, ONLY SCANNED IMAGE IS AVAILABLE)
- Not specified, most likely a prism, grating, or hybrid spectrometer.; (NO SPECTRUM, ONLY SCANNED IMAGE IS AVAILABLE)
- SOLID (NEAT); DOW KBr FOREPRISM-GRATING; DIGITIZED BY COBLENTZ SOCIETY (BATCH I) FROM HARD COPY; 2 cm-1 resolution
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Baroody and Carpenter, 1972
Baroody, E.E.; Carpenter, G.A.,
Heats of formation of propellant compounds (U), Rpt. Naval Ordnance Systems Command Task No. 331-003/067-1/UR2402-001 for Naval Ordance Station, Indian Head, MD, 1972, 1-9. [all data]
Medard and Thomas, 1953
Medard, L.; Thomas, M.,
Determination des chaleurs de combustion de treize substances explosives ou apparentees a des explosifs,
Mem. Poudres, 1953, 35, 155-173. [all data]
Zhang and Yang, 1989
Zhang, Z.Y.; Yang, M.L.,
Heat capacities and phase transitions of 1,1,1-trihydroxymethylpropane and pentaerythritol over the superambient temperature range,
Themochim. Acta, 1989, 156, 157-161. [all data]
Zhang and Yang, 1989, 2
Zhang, Z.-Y.; Yang, M.-L.,
Heat capacities and phase transitions of 1,1,1-trihydroxymethylpropane and pentaerythritol over the superambient temperature range,
Thermochim. Acta, 1989, 156, 157. [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]
Chandra, Mandalia, et al., 2002
Chandra, D.; Mandalia, H.; Chien, W.-M.; Lindle, D.W.; Rudman, R.,
Solid-Solid Phase Transition in Trimethylolpropane (TRMP),
Zeitschrift für Physikalische Chemie, 2002, 216, 12/2002, https://doi.org/10.1524/zpch.2002.216.12.1389
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid Tboil Boiling point Ttriple Triple point temperature ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.