(S)-(-)-2-Methyl-1-butanol
Also known as: (S)-2-methylbutan-1-ol, (S)-2-methyl-1-butanol, active amyl alcohol, sec-Butylcarbinol, (2S)-2-methylbutan-1-ol, L-pentanol, ALCOHOL C5, AMYL ALCOHOL, N-PENTANOL, BUTYLCARBINOL, N-BUTYLCARBINOL
(S)-(-)-2-Methyl-1-butanol (CAS 1565-80-6) 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 -70 °C, a boiling point of 128.7±0.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 43.3±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1565-80-6
- Jingsj CID
- J-1359599-8
- 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 | -70 °C |
|---|---|
| Boiling Point | 128.7±0.0 °C at 760 mmHg |
| Density | 0.8±0.1 g/cm3 |
| Flash Point | 43.3±0.0 °C |
| Exact Mass | 88.088814 |
| PSA | 20.23000 |
| LogP | 1.22 |
| Additional Property | 3 (vs air) |
| Vapor Pressure | 4.8±0.5 mmHg at 25°C |
| Refractive Index | 1.405 |
| Additional Property | 36 g/L (30 ºC) |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H332 — Harmful if inhaled
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 (S)-(-)-2-Methyl-1-butanol?
The CAS number of (S)-(-)-2-Methyl-1-butanol is 1565-80-6.
What are the molecular formula and molecular weight of (S)-(-)-2-Methyl-1-butanol?
(S)-(-)-2-Methyl-1-butanol has molecular formula C5H12O and molecular weight 88.148 g/mol.
Is (S)-(-)-2-Methyl-1-butanol hazardous?
(S)-(-)-2-Methyl-1-butanol has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H332 — Harmful if inhaled.
What are the upstream and downstream products of (S)-(-)-2-Methyl-1-butanol?
For (S)-(-)-2-Methyl-1-butanol, Upstream Products: (S)-(+)-2-Methylbutyric acid, Ethyl Tiglate, Benzyl tiglate; Downstream Products: Methyl (2S)-2-methylbutanoate, 2,3-DIMETHYL-2-PENTENE, 2-methylbutyl butyrate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(S)-(-)-2-Methyl-1-butanol (CAS 1565-80-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1359599-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.