3-Isochromanone

CAS Registry Number®

4385-35-7

CAS Name

3-Isochromanone

Molecular Formula

C9H8O2

Molecular Mass

148.16

Cite this Page

3-Isochromanone.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=4385-35-7 (retrieved 2025-06-21) (CAS RN: 4385-35-7).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    130 °C @ Press: 1 Torr

  • Melting Point (2)

    82.73 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C9H8O2/c10-9-5-7-3-1-2-4-8(7)6-11-9/h1-4H,5-6H2

InChIKey

InChIKey=ILHLUZUMRJQEAH-UHFFFAOYSA-N

SMILES

O=C1CC=2C(CO1)=CC=CC2

Canonical SMILES

O=C1OCC=2C=CC=CC2C1

Other Names for this Substance

  • 3H-2-Benzopyran-3-one, 1,4-dihydro-
  • 3-Isochromanone
  • Acetic acid, (α-hydroxy-o-tolyl)-, δ-lactone
  • 1,4-Dihydro-3H-2-benzopyran-3-one
  • 1H-2-Benzopyran-3(4H)-one

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CAS INSIGHTSTM
Purple and red filaments produced by electrostatic discharge inside a plasma ball.