Trimethylene oxide
- Formula: C3H6O
- Molecular weight: 58.0791
- IUPAC Standard InChIKey: AHHWIHXENZJRFG-UHFFFAOYSA-N
- CAS Registry Number: 503-30-0
- 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: Oxetane; α,γ-Propane oxide; Cyclooxabutane; Oxacyclobutane; Propane, 1,3-epoxy-; 1,3-Epoxypropane; 1,3-Propylene oxide; 1,3-Trimethylene oxide; Trimethylenoxid; Oxetan; NSC 30086; 1,2-epoxypropane
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Phase change data
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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 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 | 323.2 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
Tboil | 320.7 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 320.8 | K | N/A | Majer and Svoboda, 1985 | |
Tboil | 321.65 | K | N/A | Chan, Zinn, et al., 1960 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tboil | 320.9 | K | N/A | Allen and Hibbert, 1934 | Uncertainty assigned by TRC = 1. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 176.15 | K | N/A | Brooks and Pilcher, 1959 | Uncertainty assigned by TRC = 1. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 507.9 | K | N/A | Majer and Svoboda, 1985 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 30.21 | kJ/mol | N/A | Majer and Svoboda, 1985 | |
ΔvapH° | 29.8 | kJ/mol | C | Hossenlopp and Scott, 1981 | AC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
28.67 | 320.8 | Majer and Svoboda, 1985 |
Enthalpy of vaporization
ΔvapH =
A exp(-βTr) (1 − Tr)β
ΔvapH =
Enthalpy of vaporization (at saturation pressure)
(kJ/mol)
Tr = reduced temperature (T / Tc)
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Temperature (K) | A (kJ/mol) | β | Tc (K) | Reference | Comment |
---|---|---|---|---|---|
272. to 342. | 43.32 | 0.2532 | 507.9 | Majer and Svoboda, 1985 |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
6.27 | 173.2 | Handa, 1985 | Based on data from 85. to 270. K.; AC |
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.
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Majer and Svoboda, 1985
Majer, V.; Svoboda, V.,
Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]
Chan, Zinn, et al., 1960
Chan, S.I.; Zinn, J.; Fernandez, J.; Gwinn, W.D.,
Trimethylene Oxide. I. Microwave Spectrum, Dipole Moment, and Double Minimum Vibration,
J. Chem. Phys., 1960, 33, 1643. [all data]
Allen and Hibbert, 1934
Allen, J.S.; Hibbert, H.,
Studies on reactions relating to carbohydrates and polysaccharides: xlvii the oxygen valence angle and the structure of glucose and related compounds,
J. Am. Chem. Soc., 1934, 56, 1398. [all data]
Brooks and Pilcher, 1959
Brooks, J.H.; Pilcher, G.,
A Simple Melting Point Calorimeter for Moderately Precise Determination of Purity,
J. Chem. Soc., 1959, 1959, 1535. [all data]
Hossenlopp and Scott, 1981
Hossenlopp, I.A.; Scott, D.W.,
Vapor heat capacities and enthalpies of vaporizaiton of six organic compounds,
J. Chem. Thermodyn., 1981, 13, 405-414. [all data]
Handa, 1985
Handa, Y.P.,
A calorimetric study of trimethylene oxide and its structure I and structure II clathrate hydrates in the temperature range 85 to 270 K,
Can. J. Chem., 1985, 63, 1, 68-70, https://doi.org/10.1139/v85-012
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point ΔfusH Enthalpy 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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