4H-pyran-4-one
Also known as: gamma-pyrone, 4-pyrone, pyran-4-one, 4H-PYRAN-4-ONE, EINECS 203-634-8, MFCD00006576
4H-pyran-4-one (CAS 108-97-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H4O2 and a molecular weight of 96.08410 g/mol. Key properties include a melting point of 32-34ºC(lit.), a boiling point of 210-215ºC(lit.), a density of 1.192 g/cm3 and a flash point of 101.1 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 108-97-4
- Jingsj CID
- J-30853-2
- Molecular Formula
- C5H4O2
- Molecular Weight
- 96.08410 g/mol
- Category
- Ketones
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 32-34ºC(lit.) |
|---|---|
| Boiling Point | 210-215ºC(lit.) |
| Density | 1.192 g/cm3 |
| Flash Point | 101.1 °C |
| Exact Mass | 96.02110 |
| PSA | 30.21000 |
| LogP | 0.63980 |
| Vapor Pressure | 0.173mmHg at 25°C |
| Refractive Index | 1.507 |
Customs & Trade Information
| HS Code | 2932999099 |
|---|---|
| Summary | 2932999099. other heterocyclic compounds with oxygen 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 4H-pyran-4-one?
The CAS number of 4H-pyran-4-one is 108-97-4.
What are the molecular formula and molecular weight of 4H-pyran-4-one?
4H-pyran-4-one has molecular formula C5H4O2 and molecular weight 96.08410 g/mol.
What are the upstream and downstream products of 4H-pyran-4-one?
For 4H-pyran-4-one, Upstream Products: Chelidonic acid, Comanic acid, Ethyl formate; Downstream Products: Betazole, 3-Ethyltetrahydro-4H-pyran-4-one, 4-Hydroxybenzonitrile.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4H-pyran-4-one (CAS 108-97-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30853-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.