Date published: 2025-10-20

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4,4′-Sulfonylbis-benzoic acid (CAS 2449-35-6)

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Alternate Names:
4,4′-Dicarboxydiphenyl Sulfone
CAS Number:
2449-35-6
Molecular Weight:
306.29
Molecular Formula:
C14H10O6S
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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4,4′-Sulfonylbis-benzoic acid is a compound that functions as a crosslinking agent in polymer chemistry. It acts by forming covalent bonds between polymer chains, thereby increasing the mechanical strength and thermal stability of the resulting polymer network. 4,4′-Sulfonylbis-Benzoic Acid′s mechanism of action involves reacting with functional groups on polymer chains, such as hydroxyl or amine groups, to create strong, three-dimensional networks. This crosslinking process can enhance the performance of polymers in various applications, including adhesives, coatings, and composite materials. 4,4′-Sulfonylbis-benzoic acid can also serve as a coupling agent in the synthesis of dyes and pigments, facilitating the formation of stable chemical bonds between different molecular components. In this capacity, it contributes to the production of high-quality colorants and additives for various industrial processes.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

4,4′-Sulfonylbis-benzoic acid, 1 g

sc-474920
1 g
$383.00

4,4′-Sulfonylbis-benzoic acid, 25 g

sc-474920A
25 g
$734.00