2(5H)-Furanone
2(5H)-呋喃酮
Also known as: gamma-Crotonolactone, 2-Buten-1,4-olide, 2-Butenoic acid gamma-lactone, 2-Butenoic acid, 4-hydroxy-, gamma-lactone, 4-Hydroxy-2-butenoic acid gamma-lactone, 2,5-Dihydrofuran-2-one, 2,5-Dihydrofuranone, 5-Hydrofuran-2-one, Isocrotonolactone, alpha,beta-Crotonolactone, but-2-en-4-olide, Furan-2(5H)-one, 2-Oxo-2,5-dihydrofuran
- CAS No.
- 497-23-4
- Jingsj CID
- J-36528-4
- Molecular Formula
- C4H4O2
- Chinese Name
- 2(5H)-呋喃酮
- Molecular Weight
- 84.073 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 4-5 °C(lit.) |
|---|---|
| Boiling Point | 203.7±0.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 101.1±0.0 °C |
Frequently Asked Questions
What is the CAS number of 2(5H)-Furanone?
497-23-4
What are the molecular formula and molecular weight of 2(5H)-Furanone?
C4H4O2, molecular weight 84.073 g/mol
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026