1-Bromo-2,5-difluorobenzene
- CAS NO.：399-94-0
- Empirical Formula: C6H3BrF2
- Molecular Weight: 192.99
- MDL number: MFCD00000345
- EINECS: 206-920-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:16:48
What is 1-Bromo-2,5-difluorobenzene?
Chemical properties
CLEAR COLOURLESS LIQUID
The Uses of 1-Bromo-2,5-difluorobenzene
2-Bromo-1,4-difluorobenzene has been used in the preparation of 1,4-difluoroanthraquinone, a precursor to ametantrone.
General Description
Lithiation of 2-bromo-1,4-difluorobenzene in the presence of lithium diisopropylamide (LDA) in THF-hexane, butyllithium in diethyl ether-hexane and butyllithium in THF-hexane has been reported.
Properties of 1-Bromo-2,5-difluorobenzene
| Melting point: | −31 °C(lit.) |
| Boiling point: | 58-59 °C20 mm Hg(lit.) |
| Density | 1.708 g/mL at 25 °C(lit.) |
| refractive index | n |
| Flash point: | 149 °F |
| storage temp. | Sealed in dry,Room Temperature |
| form | clear liquid |
| color | Colorless to Light yellow to Light orange |
| Specific Gravity | 1.708 |
| Water Solubility | Insoluble |
| BRN | 1680893 |
| InChI | InChI=1S/C6H3BrF2/c7-5-3-4(8)1-2-6(5)9/h1-3H |
| CAS DataBase Reference | 399-94-0(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzene, 2-bromo-1,4-difluoro-(399-94-0) |
Safety information for 1-Bromo-2,5-difluorobenzene
| 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. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. 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-2,5-difluorobenzene
| InChIKey | XCRCSPKQEDMVBO-UHFFFAOYSA-N |
| SMILES | C1(F)=CC=C(F)C=C1Br |
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