4-Bromo-1,1,2-trifluoro-1-butene
- CAS NO.：10493-44-4
- Empirical Formula: C4H4BrF3
- Molecular Weight: 188.97
- MDL number: MFCD00039274
- EINECS: 234-019-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-27 23:44:13
What is 4-Bromo-1,1,2-trifluoro-1-butene?
Chemical properties
clear colorless to brown-yellow liquid
The Uses of 4-Bromo-1,1,2-trifluoro-1-butene
4-Bromo-1,1,2-trifluoro-1-butene is used in organic synthesis, chemical research and pharmaceuticals.
The Uses of 4-Bromo-1,1,2-trifluoro-1-butene
4-Bromo-1,1,2-trifluoro-1-butene may be used in the preparation of 1,1,2-trifluoro-1-butene, via reaction with KOH in the presence of phase-transfer catalyst, tetrabutylammonium bromide.
General Description
4-Bromo-1,1,2-trifluoro-1-butene is a fluorinated building block. It reacts with potassium hydroxide in the presence of tetrabutylammonium bromide (a phase transfer catalyst) to afford 1,1,2-trifluoro-1,3-butadiene.
Properties of 4-Bromo-1,1,2-trifluoro-1-butene
| Boiling point: | 95-98 °C (lit.) |
| Density | 1.639 g/mL at 25 °C (lit.) |
| refractive index | n |
| Flash point: | 63 °F |
| storage temp. | Flammables area |
| form | liquid |
| color | Clear, faint lime |
| Water Solubility | Not miscible or difficult to mix in water. |
| Sensitive | Light Sensitive |
| BRN | 1840755 |
| InChI | InChI=1S/C4H4BrF3/c5-2-1-3(6)4(7)8/h1-2H2 |
| CAS DataBase Reference | 10493-44-4(CAS DataBase Reference) |
| NIST Chemistry Reference | 4-Bromo-1,1,2-trifluorobutene-1(10493-44-4) |
Safety information for 4-Bromo-1,1,2-trifluoro-1-butene
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H225:Flammable liquids H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. 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. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. 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 4-Bromo-1,1,2-trifluoro-1-butene
| InChIKey | GQCQMFYIFUDARF-UHFFFAOYSA-N |
| SMILES | C(/F)(\F)=C(/F)\CCBr |
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