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What is CAS No. 89-05-4 Topm Pyromellitic Acid Hydrate 1, 2, 4, 5-Benzenetetracarboxyl Pma
What is Stabilizer Materials 1 2 4 5-Benzenetetracarboxylic Dianhydride Pyromellitic Dianhydride (PMDA) CAS No. 89-32-7
Price
Min. Order Reference FOB Price
1 kg US$3.50-6.89 / kg
Sepcifications
- CAS No. 89-32-7
- Formula C10H2O6
- EINECS 201-898-9
- Type Synthesis Material Intermediates
- Appearance Powder
- Quality Crude
- Colour White
- Transport Package Aluminum Foil Bag Inner Bag Carton + Pallet Packag
- Specification 98% minimum
- Trademark AQ
- Origin China
- Neutralization Equivalent 54.5±0.2
- Melting Point 283-286
- Specific Gravity 1.680
- Free Acid Content No More Than 0.5%
- Application as Raw Material for Matting Curing Agent
- Certification ISO9001, BV, SGS, Reach, CE
- Payment Method T/T, L/C, D/P, D/a, OA etc.
- Delivery Time Prompt Shipment
Product Description
Item Standard Product Name Crude Pyromellitic Dianhydride;PMDA;1,2,4,5-Benzenetetracarboxylic Anhydride Content (w, %) ≥98 CAS NO 89-32-7 EINECS No. 201-898-9 Appearance Off-White or light yellow crystal Melting Point (ºC) 283-286 Free acid content 0.5% max Neutralization ...
