1-Methyl-4-[(4-methylphenyl)sulfonyl]piperazine

Also known as: 1-Methyl-4-tosylpiperazine, 1-Methyl-4-(4-methylphenyl)sulfonylpiperazine, 1-METHYL-4-(PARA-TOLYLSULFONYL)-PIPERAZINE, Piperazine, 1-methyl-4-[(4-methylphenyl)sulfonyl]-, 1-Methyl-4-(toluene-4-sulfonyl)-piperazine

1-Methyl-4-[(4-methylphenyl)sulfonyl]piperazine (CAS 46779-48-0) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C12H18N2O2S and a molecular weight of 254.348 g/mol. Key properties include a boiling point of 375.7±52.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 181.0±30.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 46779-48-0
Jingsj CID: J-1117223-9
Molecular Formula: C₁₂H₁₈N₂O₂S
Molecular Weight: 254.348 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	375.7±52.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	181.0±30.7 °C
Exact Mass	254.108902
PSA	49.00000
LogP	1.96
Vapor Pressure	0.0±0.8 mmHg at 25°C
Refractive Index	1.565

Customs & Trade Information

HS Code	2933599090
Summary	2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 1-Methyl-4-[(4-methylphenyl)sulfonyl]piperazine?

The CAS number of 1-Methyl-4-[(4-methylphenyl)sulfonyl]piperazine is 46779-48-0.

What are the molecular formula and molecular weight of 1-Methyl-4-[(4-methylphenyl)sulfonyl]piperazine?

1-Methyl-4-[(4-methylphenyl)sulfonyl]piperazine has molecular formula C12H18N2O2S and molecular weight 254.348 g/mol.

What are the upstream and downstream products of 1-Methyl-4-[(4-methylphenyl)sulfonyl]piperazine?

For 1-Methyl-4-[(4-methylphenyl)sulfonyl]piperazine, Upstream Products: 1-Methylpiperazine, p-Toluenesulfonyl chloride, N,N-Bis[2-(p-tolylsulfonyloxy)ethyl]-p-toluenesulfonamide.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1-Methyl-4-[(4-methylphenyl)sulfonyl]piperazine (CAS 46779-48-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1117223-9 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.