Product name： | |
CAS NO.: | 89-32-7 |
Structure： |
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Synonyms: | 1,2,4,5-Benzenetetracarboxylic 1,2:4,5-dianhydride;1,2,4,5benzenetetracarboxylic1,2:4,5dianhydride;1,2,4,5-benzenetetracarboxylic1,2:4,5-dianhydride;1,2,4,5-Benzenetetracrboxylicdianhydride;1h,3h-benzo(1,2-c:4,5-c’)difuran-1,3,5,7-tetrone;1H,3H-Benzo[1,2-c,4,5-c’]difuran-1,3,5,7-tetrone;1H,3H-Benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetrone;1H,3H-Benzo[1,2-c:4,5-c’]difuran-1,3,5,7-tetrone |
MF: | C10H2O6 |
EINECS: | 201-898-9 |
Chemical Properties: | White to pale yellow powder |
Purity | 98% |
Capacity: | 200T/month |
Package | In paper drums /Fluoride drums /plastic drums/IBC Tank ,etc. |
Shipment method : | By Sea,Air,Courier door to door,etc. |
Storeage: | Under room temperature ,keep away from direct sun light |
Loading Port : | China any port,Beijing,Shanghai,Hongkong |
Transportation condition: | Shipped as non- dangerous chemicals |
Information of Pyromellitic Dianhydride CAS NO. 89-32-7
Pyromellitic dianhydride CAS NO. 89-32-7 is an organic compound with the formula C6H2(C2O3)2. It is the double carboxylic acid anhydride that is used in the preparation of polyimide polymers such as Kapton. Pyromellitic dianhydride CAS NO. 89-32-7 is a White to pale yellow powder.
Pyromellitic dianhydride CAS NO. 89-32-7 is prepared by gas-phase oxidation of 1,2,4,5-tetramethylbenzene (or related tetrasubstituted benzene derivatives). An idealized equation is:
C6H2(CH3)4 + 6 O2 → C6H2(C2O3)2 + 6 H2O.
