1,4-Phenylenediacetic acid
Chemical Intermediates 2025-03-02
CAS No.: 7325-46-4 | EINECS: 230-801-2
1. Chemical Identification
| Property |
Specification |
| IUPAC Name |
[1,4-Phenylenebis(acetic acid)] |
| Common Name |
1,4-Phenylenediacetic acid |
| Synonyms |
p-Phenylenediacetic acid; Terephthalic acid diacetic acid |
| Molecular Formula |
C₁₀H₁₀O₄ |
| Molecular Weight |
194.18 g/mol |
| CAS No. |
7325-46-4 |
| EINECS No. |
230-801-2 |
2. Physical & Chemical Properties
| Parameter |
Value |
| Appearance |
White crystalline powder |
| Purity (HPLC) |
≥98% |
| Melting Point |
250-256°C |
| Solubility |
Soluble in hot water, DMF, DMSO; slightly soluble in ethanol |
| Storage |
RT in airtight container, protect from moisture |
3. Production & Supply
| Parameter |
Detail |
| Annual Capacity |
200 metric tons |
| MOQ |
100g |
| Packaging |
100g (glass bottle), 1kg (double PE bag), 25kg (fiber drum) |
| Shelf Life |
36 months when stored properly |
4. Quality Standards
| Test |
Specification |
| Purity (HPLC) |
≥98.0% |
| Acid Value |
570-590 mg KOH/g |
| Water Content |
≤0.5% (KF) |
| Residue on Ignition |
≤0.1% |
5. Applications
- Polymer Intermediate:
- Key monomer for high-performance polyesters and polyamides
- Building block for liquid crystal polymers (LCPs)
- Pharmaceuticals:
- Intermediate for drug synthesis
- Organic Synthesis:
- Versatile linker for metal-organic frameworks (MOFs)
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