2-Fluoro-4-Bromophenol
4-Bromo-2-Fluorophenol
CAS: 2105-94-4
Molecular Formula: C6H4BrFO
2-Fluoro-4-Bromophenol - Names and Identifiers
| Name | 4-Bromo-2-Fluorophenol |
| Synonyms | 4-Bromo-2-fluorophen 4-Bromo-2-Fluorophenol 2-Fluoro-4-BroMophonel 2-Fluoro-4-Bromophenol 4-BROMO-2-FLUOROPHENOL |
| CAS | 2105-94-4 |
| EINECS | 218-284-1 |
| InChI | InChI=1/C6H5ClFN/c7-4-1-2-5(8)6(9)3-4/h1-3H,9H2 |
| InChIKey | RYVOZMPTISNBDB-UHFFFAOYSA-N |
2-Fluoro-4-Bromophenol - Physico-chemical Properties
| Molecular Formula | C6H4BrFO |
| Molar Mass | 191 |
| Density | 1.744 g/mL at 25 °C (lit.) |
| Boling Point | 79 °C/7 mmHg (lit.) |
| Flash Point | 210°F |
| Vapor Presure | 0.156mmHg at 25°C |
| Appearance | Liquid |
| Specific Gravity | 1.744 |
| Color | Clear colorless to brown |
| BRN | 1861281 |
| pKa | 8.14±0.18(Predicted) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Refractive Index | n20/D 1.566(lit.) |
| Physical and Chemical Properties | Colorless transparent liquid. Boiling point 158 °c. |
2-Fluoro-4-Bromophenol - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R22 - Harmful if swallowed |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| WGK Germany | 3 |
| HS Code | 29071990 |
| Hazard Class | IRRITANT |
2-Fluoro-4-Bromophenol - Reference Information
| Application | 4-bromo-2-fluorophenol is a phenol derivative. As an important basic raw material, phenol compounds and derivatives have been widely used in various organic coupling reactions, such as Ullman reaction, Suzuki reaction, etc. Among them, 2-fluorophenol compounds are an important class of organic fluorine-containing intermediates, which are widely used in the fields of pharmaceutical chemistry, Pesticide chemistry and material chemistry. |
| preparation | 1mmol of p-bromophenol was added to 4ml of 10% aqueous acetic acid solution, to which 1.5 mmol of selectfluor, 0.05mmol of Eosin Y, the reaction was irradiated with 12W blue light at room temperature for 6 hours. After the reaction was completed, the reaction solution was added with saturated NaCl aqueous solution, extracted with dichloromethane, and the organic layer was dried over anhydrous sodium sulfate, filtered and evaporated under reduced pressure, the crude compound was obtained. The crude compound was subjected to silica gel column chromatography, and the mobile phase was a solution of ethyl acetate and petroleum ether with a volume ratio of 1:9. The eluent with Rf value of 0.3-0.5 was collected by TLC tracking, the obtained eluate was collected and the solvent was removed under reduced pressure and dried to obtain 68% mg of 4-bromo-2-fluorophenol (yield:). |
Last Update：2024-04-09 15:16:45
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