1-Methyl-3-phenylpiperazine
Also known as: 1-METHYL-3-PHENYLPIPERAZINE, 1-Methyl-3-phenyl, 1-Methyl-3-phenylpiperazine 97%, 1-N-METHYL-3-PHENYL-PIPERAZINE, 4-methyl-2-phenylpiperazine, DL-1-Methyl-3-phenyl-piperazine, EINECS 432-360-3, MFCD03411603, N-Methyl-3-phenylpiperazine, Piperazine, 1-methyl-3-phenyl-, (+/-)-3-Phenyl-1-methylpiperazine
1-Methyl-3-phenylpiperazine (CAS 5271-27-2) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H16N2 and a molecular weight of 176.258 g/mol. Key properties include a melting point of 56-60 °C(lit.), a boiling point of 280.3±25.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 122.1±14.1 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5271-27-2
- Jingsj CID
- J-3284-7
- Molecular Formula
- C11H16N2
- Molecular Weight
- 176.258 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 56-60 °C(lit.) |
|---|---|
| Boiling Point | 280.3±25.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 122.1±14.1 °C |
| Exact Mass | 176.131348 |
| PSA | 15.27000 |
| LogP | 1.36 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.526 |
| Additional Property | soluble |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H314 — Causes severe skin burns and eye damage
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-3-phenylpiperazine?
The CAS number of 1-Methyl-3-phenylpiperazine is 5271-27-2.
What are the molecular formula and molecular weight of 1-Methyl-3-phenylpiperazine?
1-Methyl-3-phenylpiperazine has molecular formula C11H16N2 and molecular weight 176.258 g/mol.
Is 1-Methyl-3-phenylpiperazine hazardous?
1-Methyl-3-phenylpiperazine has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of 1-Methyl-3-phenylpiperazine?
For 1-Methyl-3-phenylpiperazine, Downstream Products: 2-(4-Methyl-2-phenylpiperazin-1-yl)nicotinic acid, 1-(3-Cyano-2-pyridyl)-4-methyl-2-phenylpiperazine, 2-(4-Methyl-2-phenyl-1-piperazinyl)-3-pyridinemethanol.
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-3-phenylpiperazine (CAS 5271-27-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3284-7 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.