1-methyl-4-(phenylsulfonyl)piperazine
Also known as: 1-Benzenesulfonyl-4-methyl-piperazine, 1-(Benzenesulfonyl)-4-methylpiperazine, 1-(benzenesulfonyl)-4-methylpiperazine, 1-Benzolsulfonyl-4-methyl-piperazin, 1-Methyl-4-benzolsulfonylpiperazin, 1-Methyl-4-(phenylsulfonyl)piperazine, Piperazine, 1-methyl-4-(phenylsulfonyl)-
1-methyl-4-(phenylsulfonyl)piperazine (CAS 66739-87-5) 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 240.322 g/mol. Key properties include a boiling point of 363.7±52.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 173.8±30.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 66739-87-5
- Jingsj CID
- J-1073069-5
- Molecular Formula
- C11H16N2O2S
- Molecular Weight
- 240.322 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 363.7±52.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 173.8±30.7 °C |
| Exact Mass | 240.093246 |
| PSA | 49.00000 |
| LogP | 1.50 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.572 |
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-(phenylsulfonyl)piperazine?
The CAS number of 1-methyl-4-(phenylsulfonyl)piperazine is 66739-87-5.
What are the molecular formula and molecular weight of 1-methyl-4-(phenylsulfonyl)piperazine?
1-methyl-4-(phenylsulfonyl)piperazine has molecular formula C11H16N2O2S and molecular weight 240.322 g/mol.
What are the upstream and downstream products of 1-methyl-4-(phenylsulfonyl)piperazine?
For 1-methyl-4-(phenylsulfonyl)piperazine, Upstream Products: 1-Methylpiperazine, Benzenesulfonyl chloride, Bromobenzene; Downstream Products: 1-Methylpiperazine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-methyl-4-(phenylsulfonyl)piperazine (CAS 66739-87-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1073069-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.