2,5-Cyclohexadiene-1,4-dione, monoxime

2,5-环己二烯-1,4-二酮单肟

Also known as: 4-Benzoquinone monoxime, p-Benzoquinone monoxime, 1,4-Benzoquinone 4-oxime, 2,5-Cyclohexadiene-1,4-dione 1-oxime, 4-Nitrosophenol, Benzoquinone monoxime, N-Hydroxy-p-benzoquinone imine, Quinone monooxime, p-Quinone monooxime, p-Quinone monoxime, p-Benzoquinone, monooxime, NSC 239647

CAS No.: 637-62-7
Jingsj CID: J-1017099-7
Molecular Formula: C₆H₅NO₂
Chinese Name: 2,5-环己二烯-1,4-二酮单肟
Molecular Weight: 123.10900 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	265.9ºC at 760 mmHg
Density	1.23 g/cm3
Flash Point	114.6ºC

Frequently Asked Questions

What is the CAS number of 2,5-Cyclohexadiene-1,4-dione, monoxime?

637-62-7

What are the molecular formula and molecular weight of 2,5-Cyclohexadiene-1,4-dione, monoxime?

C6H5NO2, molecular weight 123.10900 g/mol

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