(S)-(-)-3-Butyn-2-ol
(S)-(-)-3-丁炔-2-醇
Also known as: (2S)-but-3-yn-2-ol, (S)-But-3-yn-2-ol, (S)-(-)-1-Butyn-3-ol, (2S)-3-Butyn-2-ol, (2S)-But-3-yn-2-ol, (3S)-(-)-But-1-yn-3-ol, (3S)-(-)-3-Hydroxybut-1-yne, MFCD00190166
(S)-(-)-3-Butyn-2-ol (CAS 2914-69-4) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C4H6O and a molecular weight of 70.090 g/mol. It is also known as (2S)-but-3-yn-2-ol, (S)-But-3-yn-2-ol and (S)-(-)-1-Butyn-3-ol. Key properties include a boiling point of 104.0±0.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 25.6±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H300 and H310. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2914-69-4
- Jingsj CID
- J-1990254-0
- Molecular Formula
- C4H6O
- Chinese Name
- (S)-(-)-3-丁炔-2-醇
- Molecular Weight
- 70.090 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 104.0±0.0 °C at 760 mmHg |
|---|---|
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 25.6±0.0 °C |
| Exact Mass | 70.041862 |
| PSA | 20.23000 |
| LogP | -0.03 |
| Vapor Pressure | 17.3±0.3 mmHg at 25°C |
| Refractive Index | 1.435 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H300
- H310
- H315 — Causes skin irritation
- H317 — May cause an allergic skin reaction
- H319 — Causes serious eye irritation
- H330 — Fatal if inhaled
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 (S)-(-)-3-Butyn-2-ol?
The CAS number of (S)-(-)-3-Butyn-2-ol is 2914-69-4.
What are the molecular formula and molecular weight of (S)-(-)-3-Butyn-2-ol?
(S)-(-)-3-Butyn-2-ol has molecular formula C4H6O and molecular weight 70.090 g/mol.
Is (S)-(-)-3-Butyn-2-ol hazardous?
(S)-(-)-3-Butyn-2-ol has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H300; H310.
What are the upstream and downstream products of (S)-(-)-3-Butyn-2-ol?
For (S)-(-)-3-Butyn-2-ol, Upstream Products: 3-Butyn-2-ol, 4-(Trimethylsilyl)but-3-yn-2-ol, 3-Butyn-2-one.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(S)-(-)-3-Butyn-2-ol (CAS 2914-69-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990254-0 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.