4-Fluoro-3-Phenoxy Benzaldehyde(4-Fluoro-M-Phenoxy Benzaldehyde)(4-Fpba)
4-fluoro-3-phenoxybenzaldehyde
CAS: 68359-57-9
Molecular Formula: C13H9FO2
4-Fluoro-3-Phenoxy Benzaldehyde(4-Fluoro-M-Phenoxy Benzaldehyde)(4-Fpba) - Names and Identifiers
| Name | 4-fluoro-3-phenoxybenzaldehyde |
| Synonyms | M-PHENOXY-P-FLUOROBENZALDEHYDE 4-FLUORO-3-PHENOXYBENZALDEHYDE p-Fluoro-m-Phenoxybenzaldehyde 4-fluoro-3-phenoxybenzaldehyde 2-FLUORO-5-FORMYLDIPHENYL ETHER 4-Fluro-3- Phenoxy-Benzaldehyde 3-(phenoxy)-4-fluoro-benzaldehyde 3-(Phenoxy)-4-fluoro-benzaldehyde 4-Fluoro-3-Phenoxy Benzaldehyde(4-Fluoro-M-Phenoxy Benzaldehyde)(4-Fpba) |
| CAS | 68359-57-9 |
| EINECS | 269-856-2 |
| InChI | InChI=1/C13H9FO2/c14-12-7-6-10(9-15)8-13(12)16-11-4-2-1-3-5-11/h1-9H |
4-Fluoro-3-Phenoxy Benzaldehyde(4-Fluoro-M-Phenoxy Benzaldehyde)(4-Fpba) - Physico-chemical Properties
| Molecular Formula | C13H9FO2 | |||||||||
| Molar Mass | 216.21 | |||||||||
| Density | 1.2091g/mLat 25°C(lit.) | |||||||||
| Boling Point | 310 | |||||||||
| Flash Point | >230°F | |||||||||
| Vapor Presure | 0.000327mmHg at 25°C | |||||||||
| Appearance | Liquid | |||||||||
| Color | Colorless | |||||||||
| Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C | |||||||||
| Refractive Index | n20/D 1.5830(lit.) | |||||||||
| MDL | MFCD01318148 | |||||||||
| Physical and Chemical Properties |
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| Use | 4-fluoro-3-phenoxybenzaldehyde is an important intermediate of pyrethroids, such as cyfluthrin, paprothrin, permethrin and hydrofenthrin. Pharmaceutical Intermediates used as antihistamines, such as the system of antibiotics such as hydroxyaminobenzyl penicillin. |
4-Fluoro-3-Phenoxy Benzaldehyde(4-Fluoro-M-Phenoxy Benzaldehyde)(4-Fpba) - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | 61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN 3082 9/PG 3 |
| WGK Germany | 2 |
| TSCA | Yes |
| HS Code | 29130000 |
| Hazard Note | Harmful |
| Hazard Class | 9 |
4-Fluoro-3-Phenoxy Benzaldehyde(4-Fluoro-M-Phenoxy Benzaldehyde)(4-Fpba) - Reference Information
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | 3-phenoxy-4-fluorobenzaldehyde is cyfluthrin, paprothrin, important intermediates of pyrethroids such as flufenthrin and hydropermethrin. |
| production method | The preparation methods reported in the literature are as follows. Fluorobenzene was used as raw material. The above methods using p-toluidine as raw material and p-chlorotoluene as raw material all have some disadvantages, either the process route is long, or the yield is low, the three wastes are more, and the industrialization is more difficult. Industrial preparation is to use p-fluorobenzaldehyde as raw material, first bromine bromination, 3-bromo-4-fluorobenzaldehyde, further condensation with phenol to be carried out under alkaline conditions, and under alkaline conditions, 3-bromo-4-fluorobenzaldehyde is very easy to occur the reaction of canicarro to generate the corresponding acid and alcohol, for which the aldehyde group must be protected, with ethylene glycol to protect the formation of acetal, it is then subjected to an etherification reaction with sodium phenolate and finally subjected to hydrolysis to obtain 3-phenoxy-4-fluorobenzaldehyde. |
Last Update：2024-04-09 21:04:16
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