3-Buten-2-ol
Also known as: 1-Buten-3-ol, Methyl vinyl carbinol, 3-Hydroxy-1-butene, 1-Methyl-2-propenol, 1-Methyl-2-propen-1-ol, but-3-en-2-ol, Vinylethyl alcohol, Propenol, 1-methyl
3-Buten-2-ol (CAS 598-32-3) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C4H8O and a molecular weight of 72.106 g/mol. Key properties include a melting point of -100 °C, a boiling point of 97.3±0.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 16.7±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 598-32-3
- Jingsj CID
- J-18518-2
- Molecular Formula
- C4H8O
- Molecular Weight
- 72.106 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -100 °C |
|---|---|
| Boiling Point | 97.3±0.0 °C at 760 mmHg |
| Density | 0.8±0.1 g/cm3 |
| Flash Point | 16.7±0.0 °C |
| Exact Mass | 72.057518 |
| PSA | 20.23000 |
| LogP | 0.52 |
| Vapor Pressure | 24.4±0.3 mmHg at 25°C |
| Refractive Index | 1.412 |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H332 — Harmful if inhaled
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2905290000 |
|---|---|
| Summary | 2905290000 unsaturated monohydric alcohols。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 3-Buten-2-ol?
The CAS number of 3-Buten-2-ol is 598-32-3.
What are the molecular formula and molecular weight of 3-Buten-2-ol?
3-Buten-2-ol has molecular formula C4H8O and molecular weight 72.106 g/mol.
Is 3-Buten-2-ol hazardous?
3-Buten-2-ol has GHS signal word Danger and hazard statements H225 — Highly 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. "3-Buten-2-ol (CAS 598-32-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18518-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.