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3-Bromo-2-butanone

Also known as: 3-Bromobutan-2-one, 3-Bromo-2-butanone, 97%, stab. with <1% magnesium oxide, 1-Bromoethyl methyl ketone, 2-Bromo-3-butanone, 3-Bromobutane-2-one, alpha-Bromoethylmethylketone, 3-Bromo-2-butanone, 97%, stabilized, MFCD00013538, EINECS 212-404-6

3-Bromo-2-butanone (CAS 814-75-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C4H7BrO and a molecular weight of 151.002 g/mol. Key properties include a boiling point of 141.5±13.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 62.4±7.2 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H302 — Harmful if swallowed and H312 — Harmful in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
814-75-5
Jingsj CID
J-23473-1
Molecular Formula
C4H7BrO
Molecular Weight
151.002 g/mol
Category
Ketones
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point141.5±13.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point62.4±7.2 °C
Exact Mass149.968018
PSA17.07000
LogP0.89
Vapor Pressure5.8±0.3 mmHg at 25°C
Refractive Index1.450

GHS Safety & Compliance

Flammable / Corrosion / IrritantSignal word: Danger
  • H226 — Flammable liquid and vapour
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H314 — Causes severe skin burns and eye damage

Frequently Asked Questions

What is the CAS number of 3-Bromo-2-butanone?

The CAS number of 3-Bromo-2-butanone is 814-75-5.

What are the molecular formula and molecular weight of 3-Bromo-2-butanone?

3-Bromo-2-butanone has molecular formula C4H7BrO and molecular weight 151.002 g/mol.

Is 3-Bromo-2-butanone hazardous?

3-Bromo-2-butanone has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H302 — Harmful if swallowed; H312 — Harmful in contact with skin.

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-Bromo-2-butanone (CAS 814-75-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23473-1 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.