Benzophenone oxime

Also known as: Diphenylketone oxime, Diphenyl ketoxime, Diphenylmethanone oxime, N-benzhydrylidenehydroxylamine, (Diphenylmethylene)hydroxylamine, Benzophenonoxim, Benzophenoxime, N-Hydroxy-1,1-diphenylmethanimine, Methanone, diphenyl-, oxime

Benzophenone oxime (CAS 574-66-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C13H11NO and a molecular weight of 197.232 g/mol. Key properties include a melting point of 140-144 °C, a boiling point of 338.7±15.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 209.8±9.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 574-66-3
Jingsj CID: J-3622-3
Molecular Formula: C₁₃H₁₁NO
Molecular Weight: 197.232 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	140-144 °C
Boiling Point	338.7±15.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	209.8±9.6 °C
Exact Mass	197.084061
PSA	32.59000
LogP	3.20
Vapor Pressure	0.0±0.8 mmHg at 25°C
Refractive Index	1.570
Additional Property	insoluble

Customs & Trade Information

HS Code	2928000090
Summary	2928000090 other organic derivatives of hydrazine or of hydroxylamine VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Benzophenone oxime?

The CAS number of Benzophenone oxime is 574-66-3.

What are the molecular formula and molecular weight of Benzophenone oxime?

Benzophenone oxime has molecular formula C13H11NO and molecular weight 197.232 g/mol.

What are the upstream and downstream products of Benzophenone oxime?

For Benzophenone oxime, Upstream Products: Benzophenone, Benzhydrylamine, Benzophenone tosylhydrazone; Downstream Products: Benzhydrylamine hydrochloride, Benzhydrylamine, Benzophenone.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Benzophenone oxime (CAS 574-66-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3622-3 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.