4,4'-Carbonyldiphthalic acid
- CAS NO.：2479-49-4
- Empirical Formula: C17H10O9
- Molecular Weight: 358.26
- MDL number: MFCD00020283
- EINECS: 219-613-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-22 18:57:36
What is 4,4'-Carbonyldiphthalic acid?
Chemical properties
The melting point of this product is 212 °C.
The Uses of 4,4'-Carbonyldiphthalic acid
4,4'-Carbonyldiphthalic acid is the monomer of ether type polyimide.
Synthesis
4,4'-Carbonyldiphthalic acid is obtained from ortho-xylene by condensation with formaldehyde and oxidation of nitric acid.
Properties of 4,4'-Carbonyldiphthalic acid
| Melting point: | 224 °C |
| Boiling point: | 734.0±60.0 °C(Predicted) |
| Density | 1.645±0.06 g/cm3(Predicted) |
| Flash point: | 99 °C |
| storage temp. | Sealed in dry,2-8°C |
| pka | 2.43±0.10(Predicted) |
| form | Solid |
| color | White to off-white |
| Water Solubility | Water : 7.2 mg/mL (20.10 mM) |
| CAS DataBase Reference | 2479-49-4(CAS DataBase Reference) |
| EPA Substance Registry System | 1,2-Benzenedicarboxylic acid, 4,4'-carbonylbis- (2479-49-4) |
Safety information for 4,4'-Carbonyldiphthalic acid
Computed Descriptors for 4,4'-Carbonyldiphthalic acid
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