1-(2-chlorophenyl)-2-piperazinone

1-(2-氯苯基)-2-哌嗪酮

Also known as: 1-(2-chloro-phenyl)-piperazin-2-one, 1-(2-chlorophenyl)piperazin-2-one, 1-(2-chlorophenyl)piperazinone, 2-piperazinone, 1-(2-chlorophenyl)-

1-(2-chlorophenyl)-2-piperazinone (CAS 197967-66-1) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H11ClN2O and a molecular weight of 210.660 g/mol. It is also known as 1-(2-chloro-phenyl)-piperazin-2-one, 1-(2-chlorophenyl)piperazin-2-one and 1-(2-chlorophenyl)piperazinone. Key properties include a boiling point of 420.9±40.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 208.3±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
197967-66-1
Jingsj CID
J-1049154-4
Molecular Formula
C10H11ClN2O
Chinese Name
1-(2-氯苯基)-2-哌嗪酮
Molecular Weight
210.660 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point420.9±40.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point208.3±27.3 °C

Frequently Asked Questions

What is the CAS number of 1-(2-chlorophenyl)-2-piperazinone?

The CAS number of 1-(2-chlorophenyl)-2-piperazinone is 197967-66-1.

What are the molecular formula and molecular weight of 1-(2-chlorophenyl)-2-piperazinone?

1-(2-chlorophenyl)-2-piperazinone has molecular formula C10H11ClN2O and molecular weight 210.660 g/mol.

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

Last updated:

How to cite: Jingsj. "1-(2-chlorophenyl)-2-piperazinone (CAS 197967-66-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1049154-4 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.