5-Propyldihydro-2(3H)-furanone
Also known as: γ-Heptalactone, gamma-Heptalactone, 4-Heptanolide, (±)-4-Heptanolide, (±)-γ-Propyl-γ-butyrolactone, (±)-Dihydro-5-propyl-2(3H)-furanone, 5-propyloxolan-2-one, Dihydro-5-propylfuran-2(3H)-one, 4-Hydroxyheptanoic acid lactone, γ-Enanthonolactone, γ-Heptanolactone
5-Propyldihydro-2(3H)-furanone (CAS 105-21-5) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C7H12O2 and a molecular weight of 128.169 g/mol. Key properties include a boiling point of 226.3±8.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 85.3±15.9 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 105-21-5
- Jingsj CID
- J-30793-2
- Molecular Formula
- C7H12O2
- Molecular Weight
- 128.169 g/mol
- Category
- Esters
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 226.3±8.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 85.3±15.9 °C |
| Exact Mass | 128.083725 |
| PSA | 26.30000 |
| LogP | 0.79 |
| Vapor Pressure | 0.1±0.4 mmHg at 25°C |
| Refractive Index | 1.437 |
GHS Safety & Compliance
- H315 — Causes skin 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 5-Propyldihydro-2(3H)-furanone?
The CAS number of 5-Propyldihydro-2(3H)-furanone is 105-21-5.
What are the molecular formula and molecular weight of 5-Propyldihydro-2(3H)-furanone?
5-Propyldihydro-2(3H)-furanone has molecular formula C7H12O2 and molecular weight 128.169 g/mol.
Is 5-Propyldihydro-2(3H)-furanone hazardous?
5-Propyldihydro-2(3H)-furanone has GHS signal word Warning and hazard statements H315 — Causes skin irritation.
What are the upstream and downstream products of 5-Propyldihydro-2(3H)-furanone?
For 5-Propyldihydro-2(3H)-furanone, Upstream Products: 1-Hexen-3-ol, Propionaldehyde, Ethyl acrylate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Propyldihydro-2(3H)-furanone (CAS 105-21-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30793-2 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.