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CAS 7717-76-2

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4,4′-Oxydiphthalic acid

Description:
4,4′-Oxydiphthalic acid, also known as bis(4-carboxyphenyl) ether, is an organic compound characterized by its two phthalic acid units connected by an ether linkage. This compound typically appears as a white to off-white crystalline solid. It is soluble in polar organic solvents but has limited solubility in water. The presence of multiple carboxylic acid groups contributes to its acidity and reactivity, allowing it to participate in various chemical reactions, including esterification and amidation. 4,4′-Oxydiphthalic acid is often utilized in the synthesis of polyesters and polyamides, making it valuable in the production of high-performance materials. Additionally, it can serve as a building block in the development of polymers with specific thermal and mechanical properties. Its applications extend to the fields of coatings, adhesives, and plastics, where its structural characteristics can enhance the performance of the final products. Safety data should be consulted for handling and exposure guidelines, as with any chemical substance.
Formula:C16H10O9
InChI:InChI=1S/C16H10O9/c17-13(18)9-3-1-7(5-11(9)15(21)22)25-8-2-4-10(14(19)20)12(6-8)16(23)24/h1-6H,(H,17,18)(H,19,20)(H,21,22)(H,23,24)
InChI key:InChIKey=AIVVXPSKEVWKMY-UHFFFAOYSA-N
SMILES:C(O)(=O)C1=C(C(O)=O)C=CC(OC2=CC(C(O)=O)=C(C(O)=O)C=C2)=C1
Synonyms:
  • 4,4′-Oxydiphthalic acid
  • 1,2-Benzenedicarboxylic acid, 4,4′-oxybis-
  • 4,4′-Oxybis[1,2-benzenedicarboxylic acid]
  • 3,3′,4,4′-Tetracarboxydiphenyl oxide
  • Phthalic acid, 4,4′-oxydi-
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