Benzenetricarboxylic acids
| Benzenetricarboxylic acids | ||||||
| Surname | 1,2,3-benzenetricarboxylic acid | 1,2,4-benzenetricarboxylic acid | 1,3,5-benzenetricarboxylic acid | |||
| other names |
vic. -Benzenetricarboxylic acid hemimellitic acid |
asym. -Benzoltricarboxylic acid trimellitic acid |
sym. -Benzoltricarboxylic acid Trimesic acid |
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| Structural formula |
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| CAS number | 732304-21-1 | 528-44-9 | 554-95-0 | |||
| PubChem | 16219028 | 10708 | 11138 | |||
| Molecular formula | C 9 H 6 O 6 | |||||
| Molar mass | 210.14 g mol −1 | |||||
| Physical state | firmly | |||||
| Brief description | white crystalline solids | |||||
| Melting point | 190-192 ° C | 229-231 ° C | > 300 ° C (decomp.) | |||
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GHS labeling |
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| H and P phrases | 315-319-335 | 315-319-335 | 315-319-335 | |||
| no EUH phrases | no EUH phrases | no EUH phrases | ||||
| 261-305 + 351 + 338 | 261-305 + 351 + 338 | 261-305 + 351 + 338 | ||||
The benzene tricarboxylic acids form a group of substances consisting of a benzene ring with three attached carboxy groups (-COOH). Their different arrangements ( vic. -, asym. - or sym. -) result in three positional isomers with the empirical formula C 9 H 6 O 6 .
See also
Individual evidence
- ↑ a b Data sheet 1,2,3-Benzenetricarboxylic acid from Sigma-Aldrich , accessed on June 10, 2015 ( PDF ).
- ↑ a b Data sheet 1,2,4-Benzenetricarboxylic acid from Sigma-Aldrich , accessed on June 10, 2015 ( PDF ).
- ↑ a b Data sheet Trimesic acid from Sigma-Aldrich , accessed on June 10, 2015 ( PDF ).
Web links
Commons : Benzoltricarboxylic Acids - Collection of images, videos and audio files
