// Workers AI · dad joke modeWhat did phthalane say when it ran into friends? "It's a ring to be with you.

Phthalane
Names
	Preferred IUPAC name 1,3-Dihydro-2-benzofuran
Identifiers
CAS Number	496-14-0 ;
3D model (JSmol)	Interactive image;
ChemSpider	9904 ;
ECHA InfoCard	100.007.106
EC Number	207-815-2;
PubChem CID	10327;
UNII	2R6NTQ7Y6G ;
CompTox Dashboard (EPA)	DTXSID60197920 ;
	InChI InChI=1S/C8H8O/c1-2-4-8-6-9-5-7(8)3-1/h1-4H,5-6H2 Key: SFLGSKRGOWRGBR-UHFFFAOYSA-N ;
	SMILES c2ccc1COCc1c2;
Properties
Chemical formula	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). verify (what is ?) Infobox references

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

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

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

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// Workers AI · dad joke modeWhat did phthalane say when it ran into friends? "It's a ring to be with you.

References