1-Octen-3-one
Also known as: Amyl vinyl ketone, Pentyl vinyl ketone, n-Amyl vinyl ketone, n-Pentyl vinyl ketone, Vinyl amyl ketone, Oct-1-en-3-one, 3-oxo-1-octene, FEMA 3515, EINECS 224-327-5, MFCD00036558
1-Octen-3-one (CAS 4312-99-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H14O and a molecular weight of 126.196 g/mol. Key properties include a boiling point of 177.0±9.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 58.5±11.9 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4312-99-6
- Jingsj CID
- J-35085-6
- Molecular Formula
- C8H14O
- Molecular Weight
- 126.196 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 177.0±9.0 °C at 760 mmHg |
|---|---|
| Density | 0.8±0.1 g/cm3 |
| Flash Point | 58.5±11.9 °C |
| Exact Mass | 126.104462 |
| PSA | 17.07000 |
| LogP | 2.16 |
| Vapor Pressure | 1.1±0.3 mmHg at 25°C |
| Refractive Index | 1.422 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
Customs & Trade Information
| HS Code | 2914190090 |
|---|---|
| Summary | 2914190090 other acyclic ketones without other oxygen function。Supervision conditions:None。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 1-Octen-3-one?
The CAS number of 1-Octen-3-one is 4312-99-6.
What are the molecular formula and molecular weight of 1-Octen-3-one?
1-Octen-3-one has molecular formula C8H14O and molecular weight 126.196 g/mol.
Is 1-Octen-3-one hazardous?
1-Octen-3-one has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 1-Octen-3-one?
For 1-Octen-3-one, Upstream Products: 1-Octen-3-ol, octene, 2-Octyne; Downstream Products: 2-Pentyl-2-cyclopenten-1-one, 1-Octen-3-ol, 3-Octanone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Octen-3-one (CAS 4312-99-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35085-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.