1-Bromo-2-butanone
Synonym(s):Bromomethyl ethyl ketone
- CAS NO.：816-40-0
- Empirical Formula: C4H7BrO
- Molecular Weight: 151
- MDL number: MFCD00000207
- EINECS: 212-431-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:56:20
What is 1-Bromo-2-butanone?
Chemical properties
colorless to light yellow liquid
The Uses of 1-Bromo-2-butanone
1-Bromo-2-butanone (bromomethyl ethyl ketone) was used as a potential regulatory site-directed reagent for the residue C221 on pyruvate decarboxylase. It was also used as a reagent for aromatic bromination with sodium hydride in DMSO and in a microwave-assisted preparation of fused heterocycles.
Properties of 1-Bromo-2-butanone
| Boiling point: | 105 °C150 mm Hg(lit.) |
| Density | 1.479 g/mL at 25 °C(lit.) |
| refractive index | n |
| Flash point: | 155 °F |
| storage temp. | Keep Cold |
| form | Liquid |
| color | Colorless to light yellow |
| Specific Gravity | 1.479 |
| Sensitive | Lachrymatory |
| BRN | 741894 |
| CAS DataBase Reference | 816-40-0(CAS DataBase Reference) |
Safety information for 1-Bromo-2-butanone
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 1-Bromo-2-butanone
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![3-BROMO-7-(BROMOMETHYL)-1,7-DIMETHYLBICYCLO[2.2.1]HEPTAN-2-ONE](https://img.chemicalbook.in/StructureFile/ChemBookStructure3/GIF/CB5418464.gif)
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