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89-32-7 1,2,4,5-Benzenetetracarboxylic anhydride |
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| Chemical Name | 1,2,4,5-Benzenetetracarboxylic anhydride |
| Synonyms | Pyromellitic dianhydride;1,2,4,5-Benzenetetracarboxylic dianhydride;benzene-1,2:4,5-tetracarboxylic dianhydride;PMDA;1H,3H-benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetrone;Pyromellitic Dianhydride |
| Molecular Formula | C10H2O6 |
| Molecular Weight | 218.1193 |
| CAS Registry Number | 89-32-7 |
| EINECS | 201-898-9 |
| Molecular Structure | ![]() |
| Density | 1.885g/cm3 |
| Melting Point | 283-287℃ |
| Boiling Point | 398.6°C at 760 mmHg |
| Refractive Index | 1.708 |
| Flash Point | 183.5°C |
| Water Solubility | decomposes |
| Vapour Pressur | 1.45E-06mmHg at 25°C |
| Hazard Symbols | |
| Risk Codes | R41||R42/43:; |
| Safety Description | S22||S24||S26||S37/39:; |
| MSDS | |