4-Fluorophenylacetic acid
- CAS NO.：405-50-5
- Empirical Formula: C8H7FO2
- Molecular Weight: 154.14
- MDL number: MFCD00004343
- EINECS: 206-972-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:25:28
What is 4-Fluorophenylacetic acid?
Chemical properties
white shiny crystalline powder or flakes
The Uses of 4-Fluorophenylacetic acid
4-Fluorophenylacetic acid is used as an intermediate in the production of fluorinated anesthetics.
Synthesis Reference(s)
Journal of the American Chemical Society, 78, p. 6037, 1956 DOI: 10.1021/ja01604a023
Purification Methods
Crystallise it from heptane, but it is best purified by distillation at high vacuum. [Bergmann et al. J Am Chem Soc 78 6037 1956, Beilstein 9 III 2261, 9 IV 1672.]
Properties of 4-Fluorophenylacetic acid
| Melting point: | 81-83 °C (lit.) |
| Boiling point: | 164°C (2.25 torr) |
| Density | 1.1850 (estimate) |
| Flash point: | >100°C |
| storage temp. | Sealed in dry,Room Temperature |
| form | Shiny Crystalline Powder or Flakes |
| pka | pK1:4.25 (25°C) |
| color | White |
| Water Solubility | Insoluble in water. |
| Merck | 14,4177 |
| BRN | 972145 |
| CAS DataBase Reference | 405-50-5(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzeneacetic acid, 4-fluoro-(405-50-5) |
| EPA Substance Registry System | Benzeneacetic acid, 4-fluoro- (405-50-5) |
Safety information for 4-Fluorophenylacetic acid
| 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 |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. 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-Fluorophenylacetic acid
4-Fluorophenylacetic acid manufacturer
JSK Chemicals
3Y
Phone:+91-9879767984
Whatsapp: +91-9879767970
product: 4-Fluorophenylacetic acid, 95% 99%
ASM Organics
Andhra Pradesh
Phone:91-9866122393
Whatsapp: 91-9866122393
product: 4-Fluorophenylacetic acid
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