Assay: 99%
Appearance: White Crystal Powder
Capacity: 100MT/month
Packaging: 25kg/Fibur drum
Sample: available
pyromellitic dianhydride cas 89-32-7
Description
Pyromellitic Dianhydride Quick Details
Chemical Name: Pyromellitic Dianhydride
CAS No: 89-32-7
Molecular Formula: C10H2O6
Molecular Weight: 218.12
Molecular Structure:
Appearance: White crystal powder
Assay: 99%
Pyromellitic Dianhydride Typical Properties
| Item | Specifications |
| Purity | ≥99.5% |
| Residual Acetone | ≤1500PPM |
| Melting Point | 284-288℃ |
| Color | white |
| Acid(PMA) | ≤0.5% |
| Imputiy Content | ≤30PPM |
| Partical Size | 154-900 μm(≥90%) |
Pyromellitic Dianhydride Usage
1). Used in the manufacture of polyimide resins, which are used as raw materials for high temperature electrical insulating varnishes
2).It can be used as a synthetic raw material for epoxy resin curing agents, stabilizers and dyes.
3). Also used in the preparation of phthalocyanine blue dyes
Pyromellitic Dianhydride Packaging and Shipping
Regular package : 25kg/drum.
Delivery: 15-20 days after receipt the payment
Pyromellitic Dianhydride Storage
The warehouse is ventilated and dried at low temperature; stored separately from the oxidant
