3-Hexyn-2,5-diol
Also known as: 3-Hexyne-2,5-diol, Bis(1-hydroxyethyl)acetylene, 2,5-Hexynediol, hex-3-yne-2,5-diol, 3-hexin-2,5-diol
3-Hexyn-2,5-diol (CAS 3031-66-1) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C6H10O2 and a molecular weight of 114.142 g/mol. Key properties include a melting point of 42 °C(lit.), a boiling point of 221.9±8.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 104.0±13.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3031-66-1
- Jingsj CID
- J-33221-8
- Molecular Formula
- C6H10O2
- Molecular Weight
- 114.142 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 42 °C(lit.) |
|---|---|
| Boiling Point | 221.9±8.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 104.0±13.0 °C |
| Exact Mass | 114.068077 |
| PSA | 40.46000 |
| LogP | -0.41 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.490 |
Customs & Trade Information
| HS Code | 2905399090 |
|---|---|
| Summary | 2905399090 other diols。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。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-Hexyn-2,5-diol?
The CAS number of 3-Hexyn-2,5-diol is 3031-66-1.
What are the molecular formula and molecular weight of 3-Hexyn-2,5-diol?
3-Hexyn-2,5-diol has molecular formula C6H10O2 and molecular weight 114.142 g/mol.
What are the upstream and downstream products of 3-Hexyn-2,5-diol?
For 3-Hexyn-2,5-diol, Upstream Products: ch3cho, Acetylene, Microcrystalline cellulose; Downstream Products: 2-(2,5-dimethyl-1H-pyrrol-1-yl)pyridine, 2,5-Hexanedione, 2,5-Dimethylfuran.
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-Hexyn-2,5-diol (CAS 3031-66-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33221-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.