1-[4-(2-Aminophenyl)piperazin-1-yl]ethanone

1-(4-(2-氨基苯基)哌嗪-1-基)乙酮

Also known as: 1-(4-(2-Aminophenyl)piperazin-1-yl)ethan-1-one, 1-(4-(2-aminophenyl)piperazin-1-yl)ethanone, 1-Acetyl-4-(2-aMinophenyl)piperazine, 1-[4-(2-AMINOPHENYL)PIPERAZIN-1-YL]ETHANONE, 1-[4-(2-aminophenyl)piperazin-1-yl]ethanone, 1-acetyl-4-(2-aminophenyl)piperazine, 2-(4-Acetyl-piperazin-1-yl)aniline, 2-(4-acetyl-piperazin-1-yl)aniline, Ethanone, 1-[4-(2-aminophenyl)-1-piperazinyl]-

1-[4-(2-Aminophenyl)piperazin-1-yl]ethanone (CAS 91646-45-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C12H17N3O and a molecular weight of 219.28300 g/mol. It is also known as 1-(4-(2-Aminophenyl)piperazin-1-yl)ethan-1-one, 1-(4-(2-aminophenyl)piperazin-1-yl)ethanone and 1-Acetyl-4-(2-aMinophenyl)piperazine. Key properties include a melting point of 130-131 °C, a boiling point of 427.3ºC at 760 mmHg, a density of 1.177g/cm3 and a flash point of 212.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
91646-45-6
Jingsj CID
J-1503617-3
Molecular Formula
C12H17N3O
Chinese Name
1-(4-(2-氨基苯基)哌嗪-1-基)乙酮
Molecular Weight
219.28300 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point130-131 °C
Boiling Point427.3ºC at 760 mmHg
Density1.177g/cm3
Flash Point212.2ºC

Frequently Asked Questions

What is the CAS number of 1-[4-(2-Aminophenyl)piperazin-1-yl]ethanone?

The CAS number of 1-[4-(2-Aminophenyl)piperazin-1-yl]ethanone is 91646-45-6.

What are the molecular formula and molecular weight of 1-[4-(2-Aminophenyl)piperazin-1-yl]ethanone?

1-[4-(2-Aminophenyl)piperazin-1-yl]ethanone has molecular formula C12H17N3O and molecular weight 219.28300 g/mol.

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

Last updated:

How to cite: Jingsj. "1-[4-(2-Aminophenyl)piperazin-1-yl]ethanone (CAS 91646-45-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1503617-3 (accessed 2026-10-24).

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