4-Fluorophenylacetic acid
- CAS No.
- 405-50-5
- Chemical Name:
- 4-Fluorophenylacetic acid
- Synonyms
- 2-(4-FLUOROPHENYL)ACETIC ACID;P-FLUOROPHENYLACETIC ACID;Benzeneacetic acid, 4-fluoro-;NSC 402;Ba 2821;RARECHEM AL BO 0131;4-Fluorophenylacetic;Of the acid fluoride;4-FLUOROPHENYLACETIC ACID;4-fluoro-benzeneaceticaci
- CBNumber:
- CB7337064
- Molecular Formula:
- C8H7FO2
- Molecular Weight:
- 154.14
- MDL Number:
- MFCD00004343
- MOL File:
- 405-50-5.mol
- MSDS File:
- SDS
- TDS File:
- TDS
| Product description | Number | Pack Size | Price |
| 4-Fluorophenylacetic acid 98% | F13304 | 25g | $62.7 |
| 4-Fluorophenylacetic acid 98% | F13304 | 100g | $140 |
| 4-Fluorophenylacetic Acid >98.0%(T) | F0206 | 5g | $23 |
| 4-Fluorophenylacetic Acid >98.0%(T) | F0206 | 25g | $59 |
| 4-Fluorophenylacetic Acid >98.0%(T) | F0206 | 250g | $456 |
| More product size | |||
| 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 |
| pka | pK1:4.25 (25°C) |
| form | Shiny Crystalline Powder or Flakes |
| color | White |
| Water Solubility | Insoluble in water. |
| Merck | 14,4177 |
| BRN | 972145 |
| InChI | InChI=1S/C8H7FO2/c9-7-3-1-6(2-4-7)5-8(10)11/h1-4H,5H2,(H,10,11) |
| InChIKey | MGKPFALCNDRSQD-UHFFFAOYSA-N |
| SMILES | C1(CC(O)=O)=CC=C(F)C=C1 |
| CAS DataBase Reference | 405-50-5(CAS DataBase Reference) |
| FDA UNII | S5YJV7CAZ1 |
| NIST Chemistry Reference | Benzeneacetic acid, 4-fluoro-(405-50-5) |
| EPA Substance Registry System | Benzeneacetic acid, 4-fluoro- (405-50-5) |
| UNSPSC Code | 12352100 |
| NACRES | NA.22 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H315-H319-H335 | |||||||||
| Precautionary statements | P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313-P280g-P305+P351+P338 | |||||||||
| PPE | dust mask type N95 (US), Eyeshields, Gloves | |||||||||
| Hazard Codes | Xi | |||||||||
| Risk Statements | 38-36/37/38 | |||||||||
| Safety Statements | 22-24/25-36/37/39-27-26 | |||||||||
| WGK Germany | 3 | |||||||||
| TSCA | TSCA listed | |||||||||
| HazardClass | IRRITANT | |||||||||
| HS Code | 29163900 | |||||||||
| Storage Class | 11 - Combustible Solids | |||||||||
| NFPA 704 |
|
4-Fluorophenylacetic acid price More Price(42)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | F13304 | 4-Fluorophenylacetic acid 98% | 405-50-5 | 25g | $62.7 | 2026-03-19 | Buy |
| Sigma-Aldrich | F13304 | 4-Fluorophenylacetic acid 98% | 405-50-5 | 100g | $140 | 2026-03-19 | Buy |
| TCI Chemical | F0206 | 4-Fluorophenylacetic Acid >98.0%(T) | 405-50-5 | 5g | $23 | 2026-03-19 | Buy |
| TCI Chemical | F0206 | 4-Fluorophenylacetic Acid >98.0%(T) | 405-50-5 | 25g | $59 | 2026-03-19 | Buy |
| TCI Chemical | F0206 | 4-Fluorophenylacetic Acid >98.0%(T) | 405-50-5 | 250g | $456 | 2023-06-20 | Buy |
4-Fluorophenylacetic acid Chemical Properties,Uses,Production
Chemical Properties
white shiny crystalline powder or flakes
Uses
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.]
4-Fluorophenylacetic acid Preparation Products And Raw materials
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Nanjing Sinoda Biological Technology Co., Ltd | +8613401983379 | sales@njmcn.cn | CHINA | 74 | 58 |
| Hebei Conchain Biotech Co.,Ltd | +86-13630830762 +86-13630830762 | 2415217937@qq.com | China | 135 | 58 |
| Hebei Yanxi Chemical Co., Ltd. | +8618531123677 | faithe@yan-xi.com | China | 5853 | 58 |
| Hebei Chuanghai Biotechnology Co,.LTD | +86-86-13131129325 +8613131129325 | sales1@chuanghaibio.com | China | 5235 | 58 |
| Hebei Chuanghai Biotechnology Co., Ltd | +8615531151365 | mina@chuanghaibio.com | China | 18126 | 58 |
| Henan Fengda Chemical Co., Ltd | +86-371-86557731 +86-13613820652 | info@fdachem.com | China | 20124 | 58 |
| airuikechemical co., ltd. | +86-18353166132 | sales02@airuikechemical.com | China | 983 | 58 |
| Hebei Zhuanglai Chemical Trading Co Ltd | +86-16264648883 | niki@zlchemi.com | China | 7245 | 58 |
| Capot Chemical Co.,Ltd. | +86-(0)57185586718; +8613336195806 | sales@capot.com | China | 29640 | 60 |
| Shanghai Daken Advanced Materials Co.,Ltd | +86-2158073036 | info@dakenam.com | China | 13815 | 58 |
View Lastest Price from 4-Fluorophenylacetic acid manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
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2026-04-28 | 4-Fluorophenylacetic acid
405-50-5
|
US $0.00 / Kg/Drum | 10g | 99% | 100mt/year | Jinan Finer Chemical Co., Ltd | |
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2026-04-28 | 4-Fluorophenylacetic acid
405-50-5
|
US $120.00 / KG | 1KG | 98% | 200tons/ year | Speranza Chemical Co., Ltd. | |
![]() |
2025-09-25 | 4-Fluorophenylacetic acid
405-50-5
|
US $9.00-0.90 / KG | 1KG | 99% | g-kg-tons, free sample is available | Henan Fengda Chemical Co., Ltd |
-

- 4-Fluorophenylacetic acid
405-50-5
- US $0.00 / Kg/Drum
- 99%
- Jinan Finer Chemical Co., Ltd
-

- 4-Fluorophenylacetic acid
405-50-5
- US $120.00 / KG
- 98%
- Speranza Chemical Co., Ltd.
-

- 4-Fluorophenylacetic acid
405-50-5
- US $9.00-0.90 / KG
- 99%
- Henan Fengda Chemical Co., Ltd







