5-Bromo-2-pentanone
Also known as: 5-Bromo-pentan-2-one, 5-Bromopentan-2-one, 3-Bromopropyl methyl ketone, 1-Bromopentan-4-one, 1-Bromo-4-pentanone, 1-Bromo-4-oxopentane, 2-Pentanone, 5-bromo-, 5-Brompentan-2-one, 5-Brompentan-2-on
5-Bromo-2-pentanone (CAS 3884-71-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H9BrO and a molecular weight of 165.028 g/mol. Key properties include a boiling point of 190.6±23.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 76.1±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3884-71-7
- Jingsj CID
- J-1511385-6
- Molecular Formula
- C5H9BrO
- Molecular Weight
- 165.028 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 190.6±23.0 °C at 760 mmHg |
|---|---|
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 76.1±0.0 °C |
| Exact Mass | 163.983673 |
| PSA | 17.07000 |
| LogP | 1.13 |
| Vapor Pressure | 0.5±0.4 mmHg at 25°C |
| Refractive Index | 1.456 |
| Storage Conditions | -20°C |
Frequently Asked Questions
What is the CAS number of 5-Bromo-2-pentanone?
The CAS number of 5-Bromo-2-pentanone is 3884-71-7.
What are the molecular formula and molecular weight of 5-Bromo-2-pentanone?
5-Bromo-2-pentanone has molecular formula C5H9BrO and molecular weight 165.028 g/mol.
What are the upstream and downstream products of 5-Bromo-2-pentanone?
For 5-Bromo-2-pentanone, Upstream Products: 2-Acetylbutyrolactone, 4-Pentyn-1-ol, 5-Hydroxy-2-pentanone (mixture of monomer and dimer); Downstream Products: 6-phenyl-2-hexanone, 2-Nonanone, 2-Hexanone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Bromo-2-pentanone (CAS 3884-71-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1511385-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.