89-05-4 Pyromellitic Acid Pma for Curing Agent B68
China 89-05-4 Pyromellitic Acid Pma for Curing Agent B68, Find details about China Pma CAS 89-05-4, 1.2.4.5-Benzenetetracarboxylic Acid from 89-05-4 Pyromellitic Acid Pma for Curing Agent B68
Basic Info.
Colour
White
Molecular Weight
254.16
Sample
Free
Melting Point
284ºC
Trademark
AQ
Transport Package
25kg Paper Bag
Specification
99.2%
Origin
China
HS Code
29173990
Colour
White
Molecular Weight
254.16
Sample
Free
Melting Point
284ºC
Trademark
AQ
Transport Package
25kg Paper Bag
Specification
99.2%
Origin
China
HS Code
29173990
Product Desciption
pyromellitic acid for synthesis of polyimide and TOPM,Manufacture,Best Price/ZIBO ANQUAN CHEMICAL CO.,LTD
| Item | Top Grade |
| Content (w, %) | ≥99.0 |
| CAS NO | 89-05-4 |
| Appearance | white powder |
| Melting Point (ºC) | 282-284 |
| Neutralization Equivalent | 63.3±0.2 |
| Specific Gravity | 1.790 |
| Molecular Formula | C10H6O8 |
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