2-Acetylbutyrolactone
Also known as: alpha-Acetyl-gamma-butyrolactone, alpha-Acetylbutyrolactone, 3-Acetyldihydro-2(3H)-furanone, 2-Oxo-3-acetyltetrahydrofuran, alpha-Acetobutyrolactone, α-(2-Hydroxyethyl)acetoacetic acid γ-lactone, α-Acetyl-γ-hydroxybutyric acid γ-lactone
2-Acetylbutyrolactone (CAS 517-23-7) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C6H8O3 and a molecular weight of 128.126 g/mol. Key properties include a boiling point of 253.1±0.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 128.2±25.4 °C. 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.
- 517-23-7
- Jingsj CID
- J-29777-2
- Molecular Formula
- C6H8O3
- Molecular Weight
- 128.126 g/mol
- Category
- Esters
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 253.1±0.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 128.2±25.4 °C |
| Exact Mass | 128.047348 |
| PSA | 43.37000 |
| LogP | -1.27 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.459 |
| Additional Property | 310 g/L (20 ºC) |
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 2-Acetylbutyrolactone?
The CAS number of 2-Acetylbutyrolactone is 517-23-7.
What are the molecular formula and molecular weight of 2-Acetylbutyrolactone?
2-Acetylbutyrolactone has molecular formula C6H8O3 and molecular weight 128.126 g/mol.
Is 2-Acetylbutyrolactone hazardous?
2-Acetylbutyrolactone 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 2-Acetylbutyrolactone?
For 2-Acetylbutyrolactone, Upstream Products: Ethylene oxide, Methyl acetoacetate, Ethyl acetoacetate; Downstream Products: 5-Bromo-2-pentanone, 3-(2-chloroethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one, 2-Methyltetrahydrofuran-3-one.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Acetylbutyrolactone (CAS 517-23-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29777-2 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.