5-Hexyn-2-one
5-己炔-2-酮
Also known as: 5-Hexyn-2-one, hex-5-yn-2-one, 1-HEXYN-5-ONE, 5-Oxo-1-hexyne, Propargyl acetone, Hex-5-yn-2-one
5-Hexyn-2-one (CAS 2550-28-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C6H8O and a molecular weight of 96.12710 g/mol. It is also known as hex-5-yn-2-one, 1-HEXYN-5-ONE and 5-Oxo-1-hexyne. Key properties include a boiling point of 149.8ºC at 760mmHg, a density of 0.886g/cm3 and a flash point of 42.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2550-28-9
- Jingsj CID
- J-1147535-6
- Molecular Formula
- C6H8O
- Chinese Name
- 5-己炔-2-酮
- Molecular Weight
- 96.12710 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 149.8ºC at 760mmHg |
|---|---|
| Density | 0.886g/cm3 |
| Flash Point | 42.7ºC |
Frequently Asked Questions
What is the CAS number of 5-Hexyn-2-one?
The CAS number of 5-Hexyn-2-one is 2550-28-9.
What are the molecular formula and molecular weight of 5-Hexyn-2-one?
5-Hexyn-2-one has molecular formula C6H8O and molecular weight 96.12710 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Hexyn-2-one (CAS 2550-28-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1147535-6 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.