1-phenylpiperidin-2-one

N-苯基-2-哌啶酮

Also known as: 1-Phenyl-2-piperidinone, 1-Phenyl-2-piperidone, 1-Phenyl-piperidin-2-one, 1-Phenylpiperidin-2-on, 2-Piperidinone, 1-phenyl-, N-Phenyl-2-piperidinone, N-phenylpiperidinone

1-phenylpiperidin-2-one (CAS 4789-09-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H13NO and a molecular weight of 175.227 g/mol. It is also known as 1-Phenyl-2-piperidinone, 1-Phenyl-2-piperidone and 1-Phenyl-piperidin-2-one. Key properties include a melting point of 99-100ºC, a boiling point of 366.6±11.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 178.1±10.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4789-09-7
Jingsj CID
J-1085024-0
Molecular Formula
C11H13NO
Chinese Name
N-苯基-2-哌啶酮
Molecular Weight
175.227 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point99-100ºC
Boiling Point366.6±11.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point178.1±10.5 °C

Frequently Asked Questions

What is the CAS number of 1-phenylpiperidin-2-one?

The CAS number of 1-phenylpiperidin-2-one is 4789-09-7.

What are the molecular formula and molecular weight of 1-phenylpiperidin-2-one?

1-phenylpiperidin-2-one has molecular formula C11H13NO and molecular weight 175.227 g/mol.

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

Last updated:

How to cite: Jingsj. "1-phenylpiperidin-2-one (CAS 4789-09-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1085024-0 (accessed 2026-10-25).

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