1-(4-Chlorophenyl)-2-pyrrolidinone

1-(4-氯苯基)-2-吡咯烷酮

Also known as: 1-(4-Chlorophenyl)pyrrolidin-2-one, 1-(4-chlorophenyl)-2-pyrrolidone, 2-Pyrrolidinone, 1-(4-chlorophenyl)-, 1-(4'-Chlorophenyl)-2-pyrrolidon

1-(4-Chlorophenyl)-2-pyrrolidinone (CAS 7661-33-8) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H10ClNO and a molecular weight of 195.64500 g/mol. It is also known as 1-(4-Chlorophenyl)pyrrolidin-2-one, 1-(4-chlorophenyl)-2-pyrrolidone and 2-Pyrrolidinone, 1-(4-chlorophenyl)-. Key properties include a melting point of 95-98ºC, a boiling point of 406.3ºC at 760 mmHg and a density of 1.283g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 7661-33-8
Jingsj CID: J-35392-2
Molecular Formula: C₁₀H₁₀ClNO
Chinese Name: 1-(4-氯苯基)-2-吡咯烷酮
Molecular Weight: 195.64500 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	95-98ºC
Boiling Point	406.3ºC at 760 mmHg
Density	1.283g/cm3

Frequently Asked Questions

What is the CAS number of 1-(4-Chlorophenyl)-2-pyrrolidinone?

The CAS number of 1-(4-Chlorophenyl)-2-pyrrolidinone is 7661-33-8.

What are the molecular formula and molecular weight of 1-(4-Chlorophenyl)-2-pyrrolidinone?

1-(4-Chlorophenyl)-2-pyrrolidinone has molecular formula C10H10ClNO and molecular weight 195.64500 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1-(4-Chlorophenyl)-2-pyrrolidinone (CAS 7661-33-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35392-2 (accessed 2026-10-23).

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