7-Nitro-2H-benzo[b][1,4]oxazin-3(4H)-one

7-硝基-2H-苯并[b][1,4]噁嗪-3(4H)-酮

Also known as: 7-Nitro-2H-1,4-benzoxazin-3(4H)-one, 7-nitro-4H-1,4-benzoxazin-3-one, 7-Nitro-3,4-dihydro-2H-1,4-benzoxazin-3-one

CAS No.
81721-86-0
Jingsj CID
J-1554030-8
Molecular Formula
C8H6N2O4
Chinese Name
7-硝基-2H-苯并[b][1,4]噁嗪-3(4H)-酮
Molecular Weight
194.14400 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point232-234ºC
Boiling Point429.4ºC at 760 mmHg
Density1.474g/cm3
Flash Point213.5ºC

Frequently Asked Questions

What is the CAS number of 7-Nitro-2H-benzo[b][1,4]oxazin-3(4H)-one?

81721-86-0

What are the molecular formula and molecular weight of 7-Nitro-2H-benzo[b][1,4]oxazin-3(4H)-one?

C8H6N2O4, molecular weight 194.14400 g/mol

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