Pyromellitic dianhydride
- Formula: C10H2O6
- Molecular weight: 218.1193
- IUPAC Standard InChI: InChI=1S/C10H2O6/c11-7-3-1-4-6(10(14)16-8(4)12)2-5(3)9(13)15-7/h1-2H
- IUPAC Standard InChIKey: ANSXAPJVJOKRDJ-UHFFFAOYSA-N
- CAS Registry Number: 89-32-7
- 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: 1,2,4,5-Benzenetetracarboxylic anhydride; 1,2,4,5-Benzenetetracarboxylic dianhydride; 1H,3H-Benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetrone; Benzene-1,2:4,5-tetracarboxylic dianhydride; Pyromellitic acid anhydride; Pyromellitic acid dianhydride; Pyromellitic anhydride; 1,2,4,5-Benzenetetracarboxylic 1,2:4,5-dianhydride; NSC 4798; Pyromellitic 1,2:4,5-dianhydride
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Condensed 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
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°solid | -953.5 | kJ/mol | Ccb | Karyakin, Bazhan, et al., 1977 | ALS |
| ΔfH°solid | -1047. | kJ/mol | Ccb | Baroody and Carpenter, 1972 | High level of uncertainty in the data; ALS |
| ΔfH°solid | -907.34 | kJ/mol | Ccb | Mullayanov, Mukhutdinov, et al., 1967 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -3267. ± 1. | kJ/mol | Ccb | Karyakin, Bazhan, et al., 1977 | Corresponding ΔfHºsolid = -953.5 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
| ΔcH°solid | -3312.7 ± 9.1 | kJ/mol | Ccb | Mullayanov, Mukhutdinov, et al., 1967 | Corresponding ΔfHºsolid = -908.22 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| S°solid,1 bar | 237.1 | J/mol*K | N/A | Dunn, Rahman, et al., 1978 | DH |
| S°solid,1 bar | 236.5 | J/mol*K | N/A | Karyakin, Mochalov, et al., 1973 | DH |
| S°solid,1 bar | 242.1 | J/mol*K | N/A | Karyakin, Bazhan, et al., 1977, 2 | DH |
Constant pressure heat capacity of solid
| Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 215.7 | 298.15 | Dunn, Rahman, et al., 1978 | T = 5 to 300 K.; DH |
| 231.4 | 298.15 | Marchidan and Ciopec, 1978 | T = 298 to 580 K.; DH |
| 219.9 | 300. | Karyakin, Bazhan, et al., 1977, 2 | T = 60 to 400 K.; DH |
| 219.9 | 300. | Karyakin, Mochalov, et al., 1973 | T = 20 to 300 K.; DH |
References
Go To: Top, Condensed phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Karyakin, Bazhan, et al., 1977
Karyakin, N.V.; Bazhan, N.G.; Sapozhnikov, V.N.; Shvetsova, K.G.; Berestneva, G.L.; Lomteva, A.N.; Zimin, Yu.B.; Korshak, V.V.,
Thermodynamics of synthesis of poly-(p,p'-diphenyleneoxide)pyromellitimide,
Polym. Sci. USSR, 1977, 19, 1766-1775. [all data]
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]
Mullayanov, Mukhutdinov, et al., 1967
Mullayanov, F.I.; Mukhutdinov, R.Kh.; Mazitov, M.F.; Buz'ko, M.F.; Borshchenko, V.P.; Krashennikova, V.N.,
Some properties of pyromellitic dianhydride,
Khim. Prom. (Moscow), 1967, 43, 505-506. [all data]
Dunn, Rahman, et al., 1978
Dunn, A.G.; Rahman, A.; Staveley, L.A.K.,
The heat capacity of pyromellitic dianhydride and of its 1-1 charge-transfer complex with pyrene,
J. Chem. Thermodynam., 1978, 10, 787-796. [all data]
Karyakin, Mochalov, et al., 1973
Karyakin, N.V.; Mochalov, A.N.; Kunyevskaya, S.G.; Aron, B.M.; Rabinovich, I.B.,
Low temperature specific heat of tetracarboxylic acid dianhydrides,
Tr. Khim. Khim. Tekhnol, 1973, (1), 60-61. [all data]
Karyakin, Bazhan, et al., 1977, 2
Karyakin, N.V.; Bazhan, N.G.; Sapozhnikov, V.N.; Shvetsova, K.G.; Berestneva, G.L.; Lomteva, A.N.; Zimin, Yu.B.; Korshak, V.V.,
Thermodynamics of synthesis of poly-(p,p'-diphenylene oxide)pyromellitimide,
Vysokomol. Soedin., 1977, A19, 1541-1548. [all data]
Marchidan and Ciopec, 1978
Marchidan, D.I.; Ciopec, M.,
Thermodynamic properties of maleic, trimellitic and pyromellitic anhydrides,
Rev. Roum. Chim., 1978, 23, 19-29. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid S°solid,1 bar Entropy of solid at standard conditions (1 bar) ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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