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1-(2-methylsulfonylphenyl)piperazine

1-(2-甲砜基苯基)哌嗪

Also known as: 1-[2-(methylsulfonyl)phenyl]piperazine, 1-(2-methylsulfonylphenyl)piperazine, 1-[2-(methylsulphonyl)phenyl]piperazine, 1-(2-methanesulfonylphenyl)piperazine, Piperazine, 1-[2-(methylsulfonyl)phenyl]-

1-(2-methylsulfonylphenyl)piperazine (CAS 313490-26-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H16N2O2S and a molecular weight of 240.32200 g/mol. It is also known as 1-[2-(methylsulfonyl)phenyl]piperazine, 1-[2-(methylsulphonyl)phenyl]piperazine and 1-(2-methanesulfonylphenyl)piperazine. Key properties include a melting point of 133-134ºC, a boiling point of 454.3ºC at 760 mmHg, a density of 1.204g/cm3 and a flash point of 228.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
313490-26-5
Jingsj CID
J-1357940-9
Molecular Formula
C11H16N2O2S
Chinese Name
1-(2-甲砜基苯基)哌嗪
Molecular Weight
240.32200 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point133-134ºC
Boiling Point454.3ºC at 760 mmHg
Density1.204g/cm3
Flash Point228.5ºC

Frequently Asked Questions

What is the CAS number of 1-(2-methylsulfonylphenyl)piperazine?

The CAS number of 1-(2-methylsulfonylphenyl)piperazine is 313490-26-5.

What are the molecular formula and molecular weight of 1-(2-methylsulfonylphenyl)piperazine?

1-(2-methylsulfonylphenyl)piperazine has molecular formula C11H16N2O2S and molecular weight 240.32200 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-methylsulfonylphenyl)piperazine (CAS 313490-26-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1357940-9 (accessed 2026-10-24).

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