2-Phenylpiperazine
Also known as: (RS)-2-phenylpiperazine, Piperazine, 2-phenyl-, 2-phenylpiperazine
2-Phenylpiperazine (CAS 5271-26-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H14N2 and a molecular weight of 162.232 g/mol. Key properties include a melting point of 83-87 °C(lit.), a boiling point of 289.2±25.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 169.0±14.9 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5271-26-1
- Jingsj CID
- J-15716-4
- Molecular Formula
- C10H14N2
- Molecular Weight
- 162.232 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 83-87 °C(lit.) |
|---|---|
| Boiling Point | 289.2±25.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 169.0±14.9 °C |
| Exact Mass | 162.115692 |
| PSA | 24.06000 |
| LogP | 0.51 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.522 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 2-Phenylpiperazine?
The CAS number of 2-Phenylpiperazine is 5271-26-1.
What are the molecular formula and molecular weight of 2-Phenylpiperazine?
2-Phenylpiperazine has molecular formula C10H14N2 and molecular weight 162.232 g/mol.
Is 2-Phenylpiperazine hazardous?
2-Phenylpiperazine has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 2-Phenylpiperazine?
For 2-Phenylpiperazine, Upstream Products: 3-Phenylpiperazin-2-one, styrene glycol, Phenylglyoxal monohydrate; Downstream Products: tert-butyl 3-phenylpiperazine-1-carboxylate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Phenylpiperazine (CAS 5271-26-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-15716-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.