3-Methyl-2(5H)-furanone
Also known as: 3-METHYL-2(5H)-FURANONE, 3-methyl-2,5-dihydrofuran-2-one, 4-methyl-2H-furan-5-one, 3-methylfuran-2(5H)-one
3-Methyl-2(5H)-furanone (CAS 22122-36-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H6O2 and a molecular weight of 98.09990 g/mol. Key properties include a boiling point of 222.4ºC at 760mmHg, a density of 1.12g/cm3 and a flash point of 83.3ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 22122-36-7
- Jingsj CID
- J-15887-2
- Molecular Formula
- C5H6O2
- Molecular Weight
- 98.09990 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 222.4ºC at 760mmHg |
|---|---|
| Density | 1.12g/cm3 |
| Flash Point | 83.3ºC |
| Exact Mass | 98.03680 |
| PSA | 26.30000 |
| LogP | 0.48950 |
| Vapor Pressure | 0.102mmHg at 25°C |
| Refractive Index | n20/D 1.467(lit.) |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2932209090 |
|---|---|
| Summary | 2932209090. other lactones. 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 3-Methyl-2(5H)-furanone?
The CAS number of 3-Methyl-2(5H)-furanone is 22122-36-7.
What are the molecular formula and molecular weight of 3-Methyl-2(5H)-furanone?
3-Methyl-2(5H)-furanone has molecular formula C5H6O2 and molecular weight 98.09990 g/mol.
Is 3-Methyl-2(5H)-furanone hazardous?
3-Methyl-2(5H)-furanone has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 3-Methyl-2(5H)-furanone?
For 3-Methyl-2(5H)-furanone, Upstream Products: alpha-Methylene-gamma-butyrolactone, 1-Pentene, 4-methyl-, 3-Butenyl chloroformate; Downstream Products: 2(5H)-Furanone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Methyl-2(5H)-furanone (CAS 22122-36-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-15887-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.