6-Methyl-2H-1,4-benzoxazin-3(4H)-one

6-甲基-2H-1,4-苯并恶嗪-3(4H)-酮

Also known as: 6-Methyl-2H-benzo[b][1,4]oxazin-3(4H)-one, 6-Methyl-2,4-dihydro-1,4-benzoxazin-3-one, 2,3-Dihydro-6-methyl-3-oxo-4H-1,4-benzoxazine, 6-Methyl-4H-1,4-benzoxazin-3-one, 6-Methyl-4H-benzo[1,4]oxazin-3-one

CAS No.: 39522-26-4
Jingsj CID: J-1391181-4
Molecular Formula: C₉H₉NO₂
Chinese Name: 6-甲基-2H-1,4-苯并恶嗪-3(4H)-酮
Molecular Weight: 163.17300 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	207-209ºC(lit.)
Boiling Point	340.8ºC at 760mmHg
Density	1.198g/cm3
Flash Point	159.9ºC

Frequently Asked Questions

What is the CAS number of 6-Methyl-2H-1,4-benzoxazin-3(4H)-one?

39522-26-4

What are the molecular formula and molecular weight of 6-Methyl-2H-1,4-benzoxazin-3(4H)-one?

C9H9NO2, molecular weight 163.17300 g/mol

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