2-Methyl-3-buten-2-ol
Also known as: 1,1-Dimethylallyl alcohol, 3-Hydroxy-3-methyl-1-butene, 2-Hydroxy-2-methyl-3-butene, 2-methylbut-3-en-2-ol, 1,1-Dimethylallyl alcohol, 3-Hydroxy-3-methyl-1-butene, 2-Hydroxy-2-methyl-3-butene, 3-Hydroxy-3-methylbut-1-ene, 3-hydroxy-3-methylbutene
2-Methyl-3-buten-2-ol (CAS 115-18-4) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C5H10O and a molecular weight of 86.132 g/mol. Key properties include a melting point of -43 °C, a boiling point of 98.5±0.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 13.3±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H302 — Harmful if swallowed and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 115-18-4
- Jingsj CID
- J-1991480-8
- Molecular Formula
- C5H10O
- Molecular Weight
- 86.132 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -43 °C |
|---|---|
| Boiling Point | 98.5±0.0 °C at 760 mmHg |
| Density | 0.8±0.1 g/cm3 |
| Flash Point | 13.3±0.0 °C |
| Exact Mass | 86.073166 |
| PSA | 20.23000 |
| LogP | 0.87 |
| Vapor Pressure | 22.9±0.3 mmHg at 25°C |
| Refractive Index | 1.424 |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye 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 2-Methyl-3-buten-2-ol?
The CAS number of 2-Methyl-3-buten-2-ol is 115-18-4.
What are the molecular formula and molecular weight of 2-Methyl-3-buten-2-ol?
2-Methyl-3-buten-2-ol has molecular formula C5H10O and molecular weight 86.132 g/mol.
Is 2-Methyl-3-buten-2-ol hazardous?
2-Methyl-3-buten-2-ol has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H302 — Harmful if swallowed; H315 — Causes skin irritation.
What are the upstream and downstream products of 2-Methyl-3-buten-2-ol?
For 2-Methyl-3-buten-2-ol, Upstream Products: 2-Methyl-3-butyn-2-ol, Methyllithium, 2-Methylbut-2-ene; Downstream Products: Murraol, Mollugin, 5-Hydroxy-2,2-dimethyl-2H-chromene-6-carbaldehyde.
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-Methyl-3-buten-2-ol (CAS 115-18-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991480-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.