4-Hydroxyphthalic anhydride

For research use only. Not for therapeutic Use.

  • CAT Number: L014038
  • CAS Number: 27550-59-0
  • Molecular Formula: C8H4O4
  • Molecular Weight: 164.11
  • Purity: ≥95%
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4-Hydroxyphthalic anhydride(Cat No.:L014038)is an aromatic compound derived from phthalic anhydride, featuring a hydroxyl group at the 4-position of the benzene ring. This molecule contains both an anhydride and a phenolic hydroxyl group, making it highly reactive and versatile in organic synthesis. It is commonly used as a building block in the production of polyesters, dyes, pigments, and pharmaceuticals. The hydroxyl group enhances its polarity and provides a site for further functionalization, such as etherification or esterification. Its bifunctionality supports applications in resin chemistry, coatings, and advanced polymer materials.


CAS Number 27550-59-0
Molecular Formula C8H4O4
Purity ≥95%
IUPAC Name 5-hydroxy-2-benzofuran-1,3-dione
InChI InChI=1S/C8H4O4/c9-4-1-2-5-6(3-4)8(11)12-7(5)10/h1-3,9H
InChIKey PXHIYFMTRHEUHZ-UHFFFAOYSA-N
SMILES C1=CC2=C(C=C1O)C(=O)OC2=O
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