3-Hexyn-2,5-diol
3-己炔-2,5-二醇
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. It is also known as 3-Hexyne-2,5-diol, Bis(1-hydroxyethyl)acetylene and 2,5-Hexynediol. 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-33221-1
- Molecular Formula
- C6H10O2
- Chinese Name
- 3-己炔-2,5-二醇
- 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 |
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.
Data compiled from public chemical databases 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-33221-1 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.