1-(4-Chloro-2-nitrophenyl)-3-methylpiperazine

1-(4-氯-2-硝基苯基)-3-甲基哌嗪

Also known as: 1-(4-Chloro-2-nitrophenyl)-3-methylpiperazine hydrochloride, 5-Chloro-2-(3-methylpiperazin-1-yl)nitrobenzene hydrochloride, Piperazine, 1-(4-chloro-2-nitrophenyl)-3-methyl-

1-(4-Chloro-2-nitrophenyl)-3-methylpiperazine (CAS 331657-28-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H15Cl2N3O2 and a molecular weight of 292.16200 g/mol. It is also known as 1-(4-Chloro-2-nitrophenyl)-3-methylpiperazine hydrochloride, 5-Chloro-2-(3-methylpiperazin-1-yl)nitrobenzene hydrochloride and Piperazine, 1-(4-chloro-2-nitrophenyl)-3-methyl-. Key properties include a boiling point of 404.1ºC at 760 mmHg, a density of 1.268g/cm3 and a flash point of 198.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
331657-28-4
Jingsj CID
J-1374875-5
Molecular Formula
C11H15Cl2N3O2
Chinese Name
1-(4-氯-2-硝基苯基)-3-甲基哌嗪
Molecular Weight
292.16200 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point404.1ºC at 760 mmHg
Density1.268g/cm3
Flash Point198.2ºC

Frequently Asked Questions

What is the CAS number of 1-(4-Chloro-2-nitrophenyl)-3-methylpiperazine?

The CAS number of 1-(4-Chloro-2-nitrophenyl)-3-methylpiperazine is 331657-28-4.

What are the molecular formula and molecular weight of 1-(4-Chloro-2-nitrophenyl)-3-methylpiperazine?

1-(4-Chloro-2-nitrophenyl)-3-methylpiperazine has molecular formula C11H15Cl2N3O2 and molecular weight 292.16200 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-Chloro-2-nitrophenyl)-3-methylpiperazine (CAS 331657-28-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1374875-5 (accessed 2026-10-23).

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