LABOTEST-BB LT01143303
5-bromo-2-fluorobenzaldehyde
CAS: 93777-26-5
Molecular Formula: C7H4BrFO
LABOTEST-BB LT01143303 - Names and Identifiers
| Name | 5-bromo-2-fluorobenzaldehyde |
| Synonyms | AKOS BBS-00003261 LABOTEST-BB LT01143303 2-FLUORO-5-BROMOBENZALDEHYDE 2-Fluoro-5-Bromobenzaldehyde 5-bromo-2-fluorobenzaldehyde 5-BROMO-2-FLUOROBENZALDEHYDE 5-Bromo-2-fluoro-benzaldehyde Benzaldehyde, 5-bromo-2-fluoro- 1-(2-chloro-6-fluorophenyl)propan-2-one 5-Bromo-2-Fluorobenzaldehyde 2-Fluoro-5-Bromobenzaldehyde |
| CAS | 93777-26-5 |
| EINECS | 298-056-6 |
| InChI | InChI=1/C9H8ClFO/c1-6(12)5-7-8(10)3-2-4-9(7)11/h2-4H,5H2,1H3 |
| InChIKey | MMFGGDVQLQQQRX-UHFFFAOYSA-N |
LABOTEST-BB LT01143303 - Physico-chemical Properties
| Molecular Formula | C7H4BrFO |
| Molar Mass | 203.01 |
| Density | 1.71 g/mL at 25 °C (lit.) |
| Melting Point | 58-62°C |
| Boling Point | 230 °C (lit.) |
| Flash Point | 229°F |
| Water Solubility | INSOLUBLE |
| Vapor Presure | 0.0603mmHg at 25°C |
| Appearance | Bright yellow crystal |
| Specific Gravity | 1.710 |
| Color | White or Colorless to Light yellow |
| BRN | 7632798 |
| Storage Condition | 2-8°C |
| Sensitive | Air Sensitive |
| Refractive Index | n20/D 1.57(lit.) |
| MDL | MFCD00070755 |
| Physical and Chemical Properties | Pale yellow liquid or crystal |
LABOTEST-BB LT01143303 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| HS Code | 29130000 |
| Hazard Class | IRRITANT |
LABOTEST-BB LT01143303 - Reference Information
| Use | 5-bromo-2-fluorobenzaldehyde is an important intermediate used in the synthesis of fluorine-containing drugs, it can be used as an important raw material for the synthesis of prostaglandin D2 inhibitors and other drugs. Therefore, its synthesis has very important practical value and industrial application prospect. |
| preparation | starting with 5-bromo-2-fluorobenzoic acid, the product was then reduced by diisobutyl aluminium hydrogen (DIBAL) to 5-bromo-2-fluorobenzyl alcohol and finally to pyridinium dichromate (PDC). The 5-bromo-2-fluorobenzyl alcohol is oxidized to 5-bromo-2-fluorobenzaldehyde. However, the raw material 5-bromo-2-fluorobenzoic acid used in this method is not cheap, and the highly toxic substance iodomethane and heavy metal chromium are used in the reaction process, which is extremely harmful to environmental pollution, in addition, diisobutyl aluminum hydrogen is used in the reduction of methyl ester, the reaction conditions are harsh, the equipment requirements are very high, and the aluminum salt is easy to form colloid emulsification after water, the post-processing steps are also quite complex, which is not conducive to reducing the production cost, thus hindering the prospect of its industrial development. |
Last Update：2024-04-10 22:29:15
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