| Product > Pharmaceutical Intermediates | |
|---|---|
| Product Name | PMDA - Pyromellitic dianhydride |
| CAS No | 89-32-7 |
| Specification |
熔点℃285-287.5 含量%≥ 99.5 K,Ca，Na，Fe，Cu≤2PPM |
| Hazardous Information | non-dg |
| Packing |
25kg/drum &nbs |
| Structure |
|
| Molecular Formula |
C10H2O6 |
| Usage | polyimide monemor |