3-Butyn-2-one
3-丁炔-2-酮
Also known as: 1-Butyn-3-one, 1-Butyne-3-one, 3-Butyne-2-one, Acetylacetylene, Acetylethyne, Ethynyl methyl ketone, Methyl ethynyl ketone, but-3-yn-2-one, butyn-2-one
- CAS No.
- 1423-60-5
- Jingsj CID
- J-47322-8
- Molecular Formula
- C4H4O
- Chinese Name
- 3-丁炔-2-酮
- Molecular Weight
- 68.074 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 85 ºC |
|---|---|
| Density | 0.87 |
| Flash Point | -1.1±0.0 °C |
GHS Safety & Compliance
Flammable / Acute ToxicitySignal word: Danger
Frequently Asked Questions
What is the CAS number of 3-Butyn-2-one?
1423-60-5
What are the molecular formula and molecular weight of 3-Butyn-2-one?
C4H4O, molecular weight 68.074 g/mol
Is 3-Butyn-2-one hazardous?
Danger
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026