Description

[4-(4-Aminobenzoyl)oxyphenyl] 4-aminobenzoate (CAS No. 22095-98-3) is a high-purity aromatic ester compound with the molecular formula C₂₀H₁₆N₂O₄. This bifunctional organic intermediate features dual 4-aminobenzoate moieties linked through a central phenylene group, offering exceptional thermal stability and reactivity. With a molecular weight of 348.36 g/mol, this white to off-white crystalline powder is ideal for advanced polymer synthesis, particularly in the production of high-performance polyimides and liquid crystal polymers. The compound’s symmetrical structure and terminal amine groups make it valuable for step-growth polymerization reactions. Packaged under inert atmosphere to ensure stability, our product undergoes rigorous QC testing including HPLC (>98% purity), FTIR, and NMR verification. Suitable for research scale applications in materials science and specialty chemical development.

Properties

• CAS Number: 22095-98-3
• Complexity: 430
• IUPAC Name: [4-(4-aminobenzoyl)oxyphenyl] 4-aminobenzoate
• InChI: InChI=1S/C20H16N2O4/c21-15-5-1-13(2-6-15)19(23)25-17-9-11-18(12-10-17)26-20(24)14-3-7-16(22)8-4-14/h1-12H,21-22H2
• InChI Key: FPXWISWMBLVKOD-UHFFFAOYSA-N
• Exact Mass: 348.11100700
• Molecular Formula: C20H16N2O4
• Molecular Weight: 348.4
• SMILES: C1=CC(=CC=C1C(=O)OC2=CC=C(C=C2)OC(=O)C3=CC=C(C=C3)N)N
• Topological: 105
• Monoisotopic Mass: 348.11100700
• Synonyms: [4-(4-aminobenzoyl)oxyphenyl] 4-aminobenzoate, 22095-98-3, 1,4-Phenylene bis(4-aminobenzoate), [4-(4-aminobenzoyl)oxyphenyl] 4-aminobenzoate (ABHQ), NSC287082, SCHEMBL107649, DTXSID50314669, FPXWISWMBLVKOD-UHFFFAOYSA-N, MFCD00991409, NSC-287082, AS-86323, B6311, G71980

Application

This compound serves as a key monomer in the synthesis of heat-resistant polyimide polymers for aerospace and electronics applications. Researchers utilize it as a building block for liquid crystal polymers with exceptional mechanical properties. The bifunctional nature enables crosslinking in epoxy resin formulations, enhancing thermal stability in composite materials. In photonics, it finds use as a precursor for nonlinear optical materials due to its conjugated aromatic structure.

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