2-Methyl-2-butanol
Also known as: tert-Amyl alcohol, tert-Pentyl alcohol, Dimethyl ethyl carbinol, 1,1-Dimethylpropan-1-ol, Amylene hydrate, t-Amyl alcohol, t-Pentyl alcohol, 2-Methylbutan-2-ol
2-Methyl-2-butanol (CAS 75-85-4) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C5H12O and a molecular weight of 88.148 g/mol. Key properties include a melting point of -12 °C, a boiling point of 102.0±0.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 21.1±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 75-85-4
- Jingsj CID
- J-35944-5
- Molecular Formula
- C5H12O
- Molecular Weight
- 88.148 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -12 °C |
|---|---|
| Boiling Point | 102.0±0.0 °C at 760 mmHg |
| Density | 0.8±0.1 g/cm3 |
| Flash Point | 21.1±0.0 °C |
| Exact Mass | 88.088814 |
| PSA | 20.23000 |
| LogP | 1.04 |
| Additional Property | 3 (vs air) |
| Vapor Pressure | 19.2±0.3 mmHg at 25°C |
| Refractive Index | 1.407 |
| Additional Property | 120 g/L (20 ºC) |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
- H315 — Causes skin irritation
- H318 — Causes serious eye damage
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2905199090 |
|---|---|
| Summary | 2905199090. saturated monohydric alcohols. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2-Methyl-2-butanol?
The CAS number of 2-Methyl-2-butanol is 75-85-4.
What are the molecular formula and molecular weight of 2-Methyl-2-butanol?
2-Methyl-2-butanol has molecular formula C5H12O and molecular weight 88.148 g/mol.
Is 2-Methyl-2-butanol hazardous?
2-Methyl-2-butanol has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.
What are the upstream and downstream products of 2-Methyl-2-butanol?
For 2-Methyl-2-butanol, Upstream Products: 2-Methyl-3-buten-2-ol, 2-Methyl-3-butyn-2-ol, isopentane; Downstream Products: 4-Ethylpyridine, 3,4,5-Trimethylphenol, 3-Ethyl-5-methylphenol.
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-2-butanol (CAS 75-85-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35944-5 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.