Hemimellitic acid
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Names | |
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IUPAC name benzene-1,2,3-tricarboxylic acid | |
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ECHA InfoCard | 100.008.471 ![]() |
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Properties | |
Chemical formula | C9H6O6 |
Molar mass | 210.141 g·mol−1 |
Appearance | white solid |
Melting point | 190–192 °C (374–378 °F; 463–465 K) |
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Warning | |
Hazard statements | H315, H319, H335 |
Precautionary statements | P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references |
Chemical compound
Hemimellitic acid (benzene-1,2,3-tricarboxylic acid) is an organic compound with the molecular formula C6H3(СО2Н)3. Like the other isomers of benzenetricarboxylic acid, hemimellitic acid is a colorless solid. It is prepared by oxidation of 1,2,3-trimethylbenzene.[1]
Isomers
- Trimellitic acid (benzene-1,2,4-tricarboxylic acid)
- Trimesic acid (benzene-1,3,5-tricarboxylic acid)
References
- ^ Park, Chang-Man; Sheehan, Richard J. (2000). "Phthalic Acids and Other Benzenepolycarboxylic Acids". Kirk-Othmer Encyclopedia of Chemical Technology. doi:10.1002/0471238961.1608200816011811.a01. ISBN 0471238961.