| Place of Origin: | China |
|---|---|
| Brand Name: | Senwayer Brand |
| Certification: | ISO, 9001, USP |
| Model Number: | 89-32-7 |
| Minimum Order Quantity: | 1grams |
| Price: | Discount is possible if your order is big enough |
| Packaging Details: | 10g, 20g, 50g , 100g, 500g. 1kg, 10kg |
| Delivery Time: | within 2 working days |
| Payment Terms: | T/T in advance, Money Gram, Western Union, Bank Transfer. |
| Supply Ability: | 10kg/month |
| Model: | 89-32-7 | Apparence: | White Powder |
|---|---|---|---|
| Grade: | Pharma Grade | Stock: | Enough Stock |
| High Light: | pharmaceutical raw material,medical raw material |
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Pyromellitic Dianhydride CAS 89-32-7 ( 1,2,4,5-Benzenetetracarboxylic anhydride ) 99.8%
Details
Pyromellitic dianhydride (PMDA)
1. STRUCTURAL:
2. PHYSICO-CHEMICAL PROPERTIES:
White powdery matter, M.P.286, relative density is 1.68(28), boiling point is 397.4
3. Application:
for producing polyimide resin, powdery paint, delustering agent, electric insulant. It is also designed to produce epoxide resin fixative and plasticizer, urea resin stabilizator, blue pathalocyanine dye and so on.
4. QUALITY OF PRODUCTS:
gb/t19001--2000 idt ISO 9001:2000 standard
| GRANULAR PMDA | |
| melting point | 284oC~287oC |
| Content: | ≥99.6% |
| Neutralization cquivalem | 54.5±0 2 |
| Particie: | 90% <150μm |
ULTRAFINE PMDA
| Meiting Point: | 284oC~287oC |
| Contect: | ≥99.6% |
| Neutralization equivalent: | 54.5 ±0.2 |
| Partlcie: | 99%<10μm |
BOPI GRADE PMDA
| Meiting Point: | 285oC~287oC |
| Contect: | ≥99.6% |
| Neutralization equivalent: | 54.5 ±0.2 Metal free |
| Particle: | smaller than 150μm<20% bigger than 85μm<2% |
5. PACKING AND RESERVATION
External Package is plastic barrel or Fiber Drum (or use iron barrel according to customer's request), 20-200kg/barrel. Internal Package is polyethylene cuticle bag, Store in shady and dry place,and keep off heart source.
