| Product Name | 1,2,4,5-Benzenetetracarboxylic anhydride |
| CAS No. | 89-32-7 |
| 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 |
| Density | 1.885g/cm3 |
| Melting point | 283-287℃ |
| Boiling point | 398.6°C at 760 mmHg |
| Flash point | 183.5°C |
| Water solubility | decomposes |
| Refractive index | 1.708 |
| Hazard Symbols |  Xn:Harmful; |
| Risk Codes | R41:; R42/43:; |
| Safety | S22:; S24:; S26:; S37/39:; |
89-32-7 1,2,4,5-benzenetetracarboxylic anhydride
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