Customization: | Available |
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CAS No.: | 89-32-7 |
Formula: | C10H2O6 |
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Product Name | Pyromellitic Dianhydride; PMDA |
Alias | 1,2,4,5-Benzenetetracarboxylic dianhydride; benzene-1,2:4,5-tetracarboxylic dianhydride; PMDA |
CAS No. | 89-32-7 |
EINECS No. | 201-898-9 |
Formula | C10H2O6 |
Appearance | White to off-white crystal powder |
Melting point | 286-288 °C (lit.) |
Free acid content | 0.5% max |
Assay | 99.80% min |
Residual Aceton | <=1500 |
Application | Used for making polyimide film, resin, powdery paint, delustering agent, etc. |
Capacity | 20,000 ton/ year |
Certificate of Analysis