5-Methyl-3-hexen-2-one
5-甲基-3-己烯-2-酮
Also known as: 5-METHYL-3-HEXEN-2-ONE, 5-METHYLHEX-3-EN-2-ONE, 5-Methyl-2-oxohex-3-ene, 5-Methyl-3-hexene-2-one, 3-Hexen-2-one, 5-methyl-, FEMA 3409, MFCD00012166, trans-5-methyl-3-hexen-2-one, EINECS 225-950-5
5-Methyl-3-hexen-2-one (CAS 5166-53-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H12O and a molecular weight of 112.17000 g/mol. It is also known as 5-METHYL-3-HEXEN-2-ONE, 5-METHYLHEX-3-EN-2-ONE and 5-Methyl-2-oxohex-3-ene. Key properties include a boiling point of 157°C, a density of 0.85 g/mL at 25 °C(lit.) and a flash point of 118 °F. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5166-53-0
- Jingsj CID
- J-26095-2
- Molecular Formula
- C7H12O
- Chinese Name
- 5-甲基-3-己烯-2-酮
- Molecular Weight
- 112.17000 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 157°C |
|---|---|
| Density | 0.85 g/mL at 25 °C(lit.) |
| Flash Point | 118 °F |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 5-Methyl-3-hexen-2-one?
The CAS number of 5-Methyl-3-hexen-2-one is 5166-53-0.
What are the molecular formula and molecular weight of 5-Methyl-3-hexen-2-one?
5-Methyl-3-hexen-2-one has molecular formula C7H12O and molecular weight 112.17000 g/mol.
Is 5-Methyl-3-hexen-2-one hazardous?
5-Methyl-3-hexen-2-one has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Methyl-3-hexen-2-one (CAS 5166-53-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26095-2 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.