1-Benzyl-3-oxopiperazine
Also known as: 4-Benzylpiperazin-2-one, 4-Benzyl-2-piperazinone, 4-Benzyl-piperazin-2-on, 4-benzyl-piperazin-2-one, 4-benzylpiperazinone, 2-Piperazinone,4-(phenylmethyl)-
1-Benzyl-3-oxopiperazine (CAS 13754-41-1) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C11H14N2O and a molecular weight of 190.242 g/mol. Key properties include a melting point of 148-155ºC, a boiling point of 366.6±35.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 175.5±25.9 °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.
- 13754-41-1
- Jingsj CID
- J-1345566-8
- Molecular Formula
- C11H14N2O
- Molecular Weight
- 190.242 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 148-155ºC |
|---|---|
| Boiling Point | 366.6±35.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 175.5±25.9 °C |
| Exact Mass | 190.110611 |
| PSA | 32.34000 |
| LogP | -0.22 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.563 |
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 1-Benzyl-3-oxopiperazine?
The CAS number of 1-Benzyl-3-oxopiperazine is 13754-41-1.
What are the molecular formula and molecular weight of 1-Benzyl-3-oxopiperazine?
1-Benzyl-3-oxopiperazine has molecular formula C11H14N2O and molecular weight 190.242 g/mol.
Is 1-Benzyl-3-oxopiperazine hazardous?
1-Benzyl-3-oxopiperazine 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 1-Benzyl-3-oxopiperazine?
For 1-Benzyl-3-oxopiperazine, Upstream Products: Benzyl chloride, Chloroacetic acid, Benzyliminodiacetonitrile.
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-Benzyl-3-oxopiperazine (CAS 13754-41-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1345566-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.