2(3H)-Benzofuranone

苯并呋喃酮

Also known as: 2-Coumaranone, Isocoumaranone, Benzofuran-2(3H)-one, 2,3-dihydrobenzofuran-2-one, 2,3-dihydro-2-benzofuranone, 2-Cumaranon, 3H-Benzofuran-2-one, 1-Benzofuran-2(3H)-one, Coumaran-2-one

CAS No.
553-86-6
Jingsj CID
J-40719-1
Molecular Formula
C8H6O2
Chinese Name
苯并呋喃酮
Molecular Weight
134.132 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point49-51 °C(lit.)
Boiling Point249.0±15.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point96.9±17.8 °C

Frequently Asked Questions

What is the CAS number of 2(3H)-Benzofuranone?

553-86-6

What are the molecular formula and molecular weight of 2(3H)-Benzofuranone?

C8H6O2, molecular weight 134.132 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026