Atomfair

Awaiting product image

Atomfair Bis[(3,4-dicarboxylic anhydride)phenyl] terephthalate PHAP C24H10O10

Description Bis[(3,4-dicarboxylic anhydride)phenyl] terephthalate (CAS: 21117-79-3) is a high-purity aromatic dianhydride ester compound with the molecular formula C24H10O10. This specialized chemical is widely utilized in advanced polymer synthesis, particularly in the production of high-performance polyimides and polyamide-imides due to its rigid, thermally stable structure. The IUPAC name bis(1,3-dioxo-2-benzofuran-5-yl) benzene-1,4-dicarboxylate reflects its dual phthalic anhydride functionality linked via a terephthalate core. Offered as a fine crystalline powder with ??98% purity (HPLC), it is packaged under inert gas to prevent moisture absorption. Ideal for research into heat-resistant coatings, dielectric materials, and aerospace-grade composites. Storage recommendations: -20??C under argon, in amber glass vials.

Category:
Brands:

Description

Description

Bis[(3,4-dicarboxylic anhydride)phenyl] terephthalate (CAS: 21117-79-3) is a high-purity aromatic dianhydride ester compound with the molecular formula C24H10O10. This specialized chemical is widely utilized in advanced polymer synthesis, particularly in the production of high-performance polyimides and polyamide-imides due to its rigid, thermally stable structure. The IUPAC name bis(1,3-dioxo-2-benzofuran-5-yl) benzene-1,4-dicarboxylate reflects its dual phthalic anhydride functionality linked via a terephthalate core. Offered as a fine crystalline powder with ??98% purity (HPLC), it is packaged under inert gas to prevent moisture absorption. Ideal for research into heat-resistant coatings, dielectric materials, and aerospace-grade composites. Storage recommendations: -20??C under argon, in amber glass vials.

  • CAS No: 21117-79-3
  • Molecular Formula: C24H10O10
  • Molecular Weight: 458.3
  • Exact Mass: 458.02739651
  • Monoisotopic Mass: 458.02739651
  • IUPAC Name: bis(1,3-dioxo-2-benzofuran-5-yl) benzene-1,4-dicarboxylate
  • SMILES: C1=CC(=CC=C1C(=O)OC2=CC3=C(C=C2)C(=O)OC3=O)C(=O)OC4=CC5=C(C=C4)C(=O)OC5=O
  • Synonyms: 21117-79-3, bis[(3,4-dicarboxylic anhydride)phenyl] terephthalate, Bis(1,3-dioxo-1,3-dihydroisobenzofuran-5-yl) terephthalate, SCHEMBL4204276, bis[(3,4-dicarboxylic anhydride) phenyl]terephthalate (PHAP)

Application

This compound serves as a critical monomer for synthesizing thermally stable polyimide resins used in flexible printed circuits and microelectronic encapsulation. The dual anhydride groups enable copolymerization with diamines to create high-Tg polymers with exceptional mechanical strength. Researchers employ it to develop advanced composites for jet engine components and radiation-resistant materials. Its extended aromatic structure contributes to low dielectric constants in next-generation semiconductor insulators.

If you are interested or have any questions, please contact us at support@atomfair.com