4-Methyl-2-benzofuran-1(3H)-one

4-甲基-2-苯并呋喃-1(3H)-酮

Also known as: 1(3H)-Isobenzofuranone, 4-methyl-, 1(3H)-Isobenzofuranone,4-methyl-(9CI), 4-METHYLISOBENZOFURAN-1(3H)-ONE, 4-Methyl-2-benzofuran-1(3H)-one, 4-Methyl-phthalid, 4-methyl-1(3H)-Isobenzofuranone, 4-methyl-3H-2-benzofuran-1-one, 4-methyl-3H-isobenzofuran-1-one, 4-methyl-phthalide

CAS No.
2211-83-8
Jingsj CID
J-1518694-4
Molecular Formula
C9H8O2
Chinese Name
4-甲基-2-苯并呋喃-1(3H)-酮
Molecular Weight
148.15900 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point336.3ºC at 760 mmHg
Density1.211g/cm3
Flash Point139.4ºC

Frequently Asked Questions

What is the CAS number of 4-Methyl-2-benzofuran-1(3H)-one?

2211-83-8

What are the molecular formula and molecular weight of 4-Methyl-2-benzofuran-1(3H)-one?

C9H8O2, molecular weight 148.15900 g/mol

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