3-Ethyl-4-octanone
Also known as: 3-Ethyloctan-4-one, 3-ethyl-octan-4-one, 3-ethyloctan-4-one, 4-Octanone, 3-ethyl-, 3-aethyl-octan-4-on
3-Ethyl-4-octanone (CAS 19781-29-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H20O and a molecular weight of 156.26500 g/mol. Key properties include a boiling point of 199.3ºC at 760mmHg, a density of 0.817g/cm3 and a flash point of 69.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 19781-29-4
- Jingsj CID
- J-9979-6
- Molecular Formula
- C10H20O
- Molecular Weight
- 156.26500 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 199.3ºC at 760mmHg |
|---|---|
| Density | 0.817g/cm3 |
| Flash Point | 69.9ºC |
| Exact Mass | 156.15100 |
| PSA | 17.07000 |
| LogP | 3.18190 |
| Vapor Pressure | 0.345mmHg at 25°C |
| Refractive Index | 1.42 |
Frequently Asked Questions
What is the CAS number of 3-Ethyl-4-octanone?
The CAS number of 3-Ethyl-4-octanone is 19781-29-4.
What are the molecular formula and molecular weight of 3-Ethyl-4-octanone?
3-Ethyl-4-octanone has molecular formula C10H20O and molecular weight 156.26500 g/mol.
What are the upstream and downstream products of 3-Ethyl-4-octanone?
For 3-Ethyl-4-octanone, Upstream Products: 2-Ethylbutanal, 2-Ethylbutanoic acid, n-Butyllithium.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Ethyl-4-octanone (CAS 19781-29-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9979-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.