Mellitic anhydride
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Mellitic anhydride molecule | |
Names | |
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IUPAC name
4,9,14-trioxatetracyclo[10.3.0.02,6.07,11]pentadeca-1,6,11-triene-3,5,8,10,13,15-hexone
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Identifiers | |
4253-24-1 | |
ChemSpider | 223826 |
Jmol 3D model | Interactive image |
PubChem | 255291 |
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Properties | |
C12O9 | |
Molar mass | 288.12 g·mol−1 |
Appearance | colorless solid[1] |
Melting point | 161 °C; 322 °F; 434 K [1] |
Vapor pressure | 0.000004 mmHg (20°C)[1] |
Vapor pressure | {{{value}}} |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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verify (what is ?) | |
Infobox references | |
Mellitic anhydride, the anhydride of mellitic acid, is an organic compound with the formula C12O9.
Mellitic anhydride is an oxide of carbon (oxocarbon), like CO2, CO, and C3O2. It is a white sublimable solid, apparently obtained by Liebig and Wöhler in 1830 in their study of mellite ("honey stone"); they assigned it the formula C4O3.[2][3][4] The substance was properly characterized in 1913 by H. Meyer and K. Steiner.[5][6] It retains the aromatic character of the benzene ring.[7][8]
References
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