1,4-Diazepan-5-one
Also known as: Homopiperazin-5-one, 2,3,6,7-Tetrahydro-(1H)-1,4-diazepin-5(4H)-one, 5-Homopiperazinone, 5H-1,4-Diazepin-5-one, hexahydro-, MFCD00766804, [1,4]Diazepan-5-one, tetrahydro-1,4-diazepin-5-one
1,4-Diazepan-5-one (CAS 34376-54-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H10N2O and a molecular weight of 114.146 g/mol. Key properties include a melting point of 65-68, a boiling point of 308.8±35.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 159.5±26.1 °C. It is listed by 1 supplier, from 1.10 to 486.00 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 34376-54-0
- Jingsj CID
- J-32157-8
- Molecular Formula
- C5H10N2O
- Molecular Weight
- 114.146 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | 97% 100mg | ¥110.00 | $0.16 /mgBest ¥1.10/mg CNY | CN China MOQ 100mg | |
In Stock | 97% 25g | ¥6,043.00 | $36.17 /g ¥241.72/g CNY | CN China MOQ 25g | |
In Stock | 97% 5g | ¥1,674.00 | $50.1 /g ¥334.80/g CNY | CN China MOQ 5g |
Physicochemical Properties
| Melting Point | 65-68 |
|---|---|
| Boiling Point | 308.8±35.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 159.5±26.1 °C |
| Exact Mass | 114.079315 |
| PSA | 41.13000 |
| LogP | -1.83 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.443 |
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 1,4-Diazepan-5-one?
The CAS number of 1,4-Diazepan-5-one is 34376-54-0.
What are the molecular formula and molecular weight of 1,4-Diazepan-5-one?
1,4-Diazepan-5-one has molecular formula C5H10N2O and molecular weight 114.146 g/mol.
Which suppliers offer 1,4-Diazepan-5-one?
1 supplier(s) listed; reference unit price ¥1.10–486.00 /mg.
What are the upstream and downstream products of 1,4-Diazepan-5-one?
For 1,4-Diazepan-5-one, Upstream Products: 1-Benzyl-1,4-diazepan-5-one, tert-butyl 5-oxo-1,4-diazepane-1-carboxylate, 1-Benzyl-4-piperidone; Downstream Products: tert-butyl 5-oxo-1,4-diazepane-1-carboxylate, Benzyl 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. "1,4-Diazepan-5-one (CAS 34376-54-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32157-8 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.