Article · Wikipedia archive · Last revised Jun 28, 2026

Phthalane

Phthalane is a bicyclic aromatic organic compound. It is also known as isocoumaran, or 1,3-dihydro-2-benzofuran. One of derivatives of it is citalopram. It can be oxidised to phthalic acid.

Last revised
Jun 28, 2026
Read time
≈ 1 min
Length
114 w
Citations
1
Source
Phthalane
source ↗
Names
Preferred IUPAC name
1,3-Dihydro-2-benzofuran
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.007.106
EC Number
  • 207-815-2
UNII
  • InChI=1S/C8H8O/c1-2-4-8-6-9-5-7(8)3-1/h1-4H,5-6H2 ☒N
    Key: SFLGSKRGOWRGBR-UHFFFAOYSA-N ☒N
  • c2ccc1COCc1c2
Properties
C8H8O
Molar mass 120.148
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Phthalane is a bicyclic aromatic organic compound. It is also known as isocoumaran, or 1,3-dihydro-2-benzofuran. One of derivatives of it is citalopram. It can be oxidised to phthalic acid.1

References

References

  1. PubChem. "1,3-Dihydroisobenzofuran". pubchem.ncbi.nlm.nih.gov. Retrieved 2026-05-25.