1,3,5-Trioxane
- Formula: C3H6O3
- Molecular weight: 90.0779
- IUPAC Standard InChI: InChI=1S/C3H6O3/c1-4-2-6-3-5-1/h1-3H2
- IUPAC Standard InChIKey: BGJSXRVXTHVRSN-UHFFFAOYSA-N
- CAS Registry Number: 110-88-3
- 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: s-Trioxane; Formaldehyde, trimer; Triformol; Trioxan; Trioxane; Trioxymethylene; Metaformaldehyde; sym-Trioxane; Trioxin; 1,3,5-Trioxan; s-Trioxan; s-Trixane; Aldeform; Formagene; Marvosan; Paraformaldehyde; Triossimetilene; Trioxymethyleen; Trioxymethylen; 1,3,5-Trioxacyclohexane; NSC 26347
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Data at other public NIST sites:
- 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.
Gas phase thermochemistry 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -465.76 ± 0.50 | kJ/mol | Ccr | Mansson, Morawetz, et al., 1969 | ALS |
| ΔfH°gas | -489.5 | kJ/mol | N/A | Walker and Carlisle, 1943 | Value computed using ΔfHsolid° value of -546.0±11.0 kj/mol from Walker and Carlisle, 1943 and ΔsubH° value of 56.5 kj/mol from Mansson, Morawetz, et al., 1969.; DRB |
| ΔfH°gas | -464.0 | kJ/mol | N/A | Delepine and Badoche, 1942 | Value computed using ΔfHsolid° value of -520.5 kj/mol from Delepine and Badoche, 1942 and ΔsubH° value of 56.5 kj/mol from Mansson, Morawetz, et al., 1969.; DRB |
| Quantity | Value | Units | Method | Reference | Comment |
| S°gas | 284.9 ± 3.4 | J/mol*K | N/A | Clegg G.A., 1968 | GT |
Constant pressure heat capacity of gas
| Cp,gas (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 33.50 | 50. | Dorofeeva O.V., 1992 | p=1 bar. Selected values are in close agreement with those calculated by [ Melia T.P., 1967].; GT |
| 38.63 | 100. | ||
| 47.52 | 150. | ||
| 57.69 | 200. | ||
| 75.24 | 273.15 | ||
| 81.9 ± 3.5 | 298.15 | ||
| 82.38 | 300. | ||
| 109.75 | 400. | ||
| 134.80 | 500. | ||
| 155.90 | 600. | ||
| 173.34 | 700. | ||
| 187.80 | 800. | ||
| 199.87 | 900. | ||
| 210.02 | 1000. | ||
| 218.60 | 1100. | ||
| 225.89 | 1200. | ||
| 232.12 | 1300. | ||
| 237.45 | 1400. | ||
| 242.05 | 1500. |
References
Go To: Top, Gas phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Mansson, Morawetz, et al., 1969
Mansson, M.; Morawetz, E.; Nakase, Y.; Sunner, S.,
The enthalpies of formation of trioxane and tetroxane,
Acta Chem. Scand., 1969, 23, 56-60. [all data]
Walker and Carlisle, 1943
Walker, J.F.; Carlisle, P.J.,
Trioxane,
Chem. Eng. News, 1943, 21, 1250-1251. [all data]
Delepine and Badoche, 1942
Delepine, M.; Badoche, M.,
Thermochimie de l'aldehyde formique, de l'hexamethylene-tetramine et de ses derive,
C. R. Acad. Sci. Paris, 1942, 214, 777-780. [all data]
Clegg G.A., 1968
Clegg G.A.,
Thermodynamics of polymerization of heterocyclic compounds. I. The heat capacity, entropy, and enthalpy of trioxane,
Polymer, 1968, 9, 75-79. [all data]
Dorofeeva O.V., 1992
Dorofeeva O.V.,
Ideal gas thermodynamic properties of oxygen heterocyclic compounds. Part 2. Six-membered, seven-membered and eight-membered rings,
Thermochim. Acta, 1992, 200, 121-150. [all data]
Melia T.P., 1967
Melia T.P.,
Thermodynamics of addition polymerization. I. The system trioxane-polyoxymethylene,
J. Appl. Chem., 1967, 17, 15-17. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas S°gas Entropy of gas at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions - 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.