1-Benzyl-1,4-diazepan-5-one
Also known as: 1-Benzyl-5-oxo-1,4-diazepane, 1-Benzylhexahydro-1H-1,4-diazepin-5-one, 1-Benzylhomopiperazin-5-one, 1-(phenylmethyl)-1,4-diazepan-5-one, hexahydro-1-(phenylmethyl)-5H-1,4-diazepin-5-one
1-Benzyl-1,4-diazepan-5-one (CAS 55186-89-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C12H16N2O and a molecular weight of 204.268 g/mol. Key properties include a melting point of 115-117ºC, a boiling point of 379.8±35.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 183.5±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 55186-89-5
- Jingsj CID
- J-36322-4
- Molecular Formula
- C12H16N2O
- Molecular Weight
- 204.268 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 115-117ºC |
|---|---|
| Boiling Point | 379.8±35.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 183.5±25.9 °C |
| Exact Mass | 204.126266 |
| PSA | 32.34000 |
| LogP | 0.10 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.550 |
| Storage Conditions | 2~8 °C |
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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-1,4-diazepan-5-one?
The CAS number of 1-Benzyl-1,4-diazepan-5-one is 55186-89-5.
What are the molecular formula and molecular weight of 1-Benzyl-1,4-diazepan-5-one?
1-Benzyl-1,4-diazepan-5-one has molecular formula C12H16N2O and molecular weight 204.268 g/mol.
What are the upstream and downstream products of 1-Benzyl-1,4-diazepan-5-one?
For 1-Benzyl-1,4-diazepan-5-one, Upstream Products: 1-Benzyl-4-piperidone, 1-Benzyl-4-piperidone oxime; Downstream Products: 1,4-Diazepan-5-one, 1-Benzyl-1,4-diazepane, tert-butyl 5-oxo-1,4-diazepane-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. "1-Benzyl-1,4-diazepan-5-one (CAS 55186-89-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36322-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.