1-(4-Chlorophenyl)ethanone oxime

Also known as: 1-(4-CHLORO-PHENYL)-ETHANONE OXIME, 1-(4-CHLOROPHENYL)-1-ETHANONE OXIME, 1-(4-chlorophenyl)-1-ethanone oxime, p-Chloroacetophenone oxime, 4-chloroacetophenone oxime, 4'-chloroacetophenone oxime, AKOS B006536, ART-CHEM-BB B006536

1-(4-Chlorophenyl)ethanone oxime (CAS 1956-39-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H8ClNO and a molecular weight of 169.60800 g/mol. Key properties include a melting point of 96-98ºC, a boiling point of 275.5ºC at 760mmHg, a density of 1.18g/cm3 and a flash point of 120.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1956-39-4
Jingsj CID: J-1360491-6
Molecular Formula: C₈H₈ClNO
Molecular Weight: 169.60800 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	96-98ºC
Boiling Point	275.5ºC at 760mmHg
Density	1.18g/cm3
Flash Point	120.4ºC
Exact Mass	169.02900
PSA	32.59000
LogP	2.53820
Vapor Pressure	0.00246mmHg at 25°C
Refractive Index	1.543

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 1-(4-Chlorophenyl)ethanone oxime?

The CAS number of 1-(4-Chlorophenyl)ethanone oxime is 1956-39-4.

What are the molecular formula and molecular weight of 1-(4-Chlorophenyl)ethanone oxime?

1-(4-Chlorophenyl)ethanone oxime has molecular formula C8H8ClNO and molecular weight 169.60800 g/mol.

What are the upstream and downstream products of 1-(4-Chlorophenyl)ethanone oxime?

For 1-(4-Chlorophenyl)ethanone oxime, Upstream Products: 4-Chlorostyrene, 1-(4-Chlorophenyl)ethanone, Chlorobenzene; Downstream Products: (S)-1-(4-Chlorophenyl)ethylamine, (R)-1-(4-Chlorophenyl)ethanamine, 1-(4-Chlorophenyl)ethanone.

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. "1-(4-Chlorophenyl)ethanone oxime (CAS 1956-39-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1360491-6 (accessed 2026-11-09).

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