beta-Butyrolactone
Also known as: 4-Methyl-2-oxetanone, beta-Methylpropiolactone, beta-Methyl-beta-propiolactone, 3-Hydroxybutyric acid beta-lactone, (RS)-beta-Butyrolactone, DL-beta-Butyrolactone
beta-Butyrolactone (CAS 3068-88-0) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C4H6O2 and a molecular weight of 86.089 g/mol. Key properties include a melting point of -43.5ºC(lit.), a boiling point of 204.0±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 98.3±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, H315 — Causes skin irritation and H319 — Causes serious eye irritation. It is listed by 1 supplier, from 7.85 to 15.98 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 3068-88-0
- Jingsj CID
- J-1339868-8
- Molecular Formula
- C4H6O2
- Molecular Weight
- 86.089 g/mol
- Category
- Esters
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | >95.0%(GC) 500ml | ¥3,924.00 | $1.17 /mlBest ¥7.85/ml CNY | CN China MOQ 500ml | |
In Stock | >95.0%(GC) 25ml | ¥399.60 | $2.39 /ml ¥15.98/ml CNY | CN China MOQ 25ml |
Physicochemical Properties
| Melting Point | -43.5ºC(lit.) |
|---|---|
| Boiling Point | 204.0±0.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 98.3±0.0 °C |
| Exact Mass | 86.036781 |
| PSA | 26.30000 |
| LogP | -0.76 |
| Vapor Pressure | 0.3±0.4 mmHg at 25°C |
| Refractive Index | 1.442 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H351 — Suspected of causing cancer
Frequently Asked Questions
What is the CAS number of beta-Butyrolactone?
The CAS number of beta-Butyrolactone is 3068-88-0.
What are the molecular formula and molecular weight of beta-Butyrolactone?
beta-Butyrolactone has molecular formula C4H6O2 and molecular weight 86.089 g/mol.
Which suppliers offer beta-Butyrolactone?
1 supplier(s) listed; reference unit price ¥7.85–15.98 /ml.
Is beta-Butyrolactone hazardous?
beta-Butyrolactone has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "beta-Butyrolactone (CAS 3068-88-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1339868-8 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.