4-Fluoro-3-(trifluoromethyl)benzoic acid
4-Fluoro-3-(trifluoromethyl)benzoic acid (CAS: 67515-55-3; Formula: FC6H3(CF3)CO2H) is a fluorinated organic compound with a molecular weight of 208.11 g/mol. As a key building block, it is widely employed in organic synthesis, particularly in the development of novel pharmaceutical intermediates and advanced materials. Its structure, featuring both a fluorine atom and a trifluoromethyl group on a benzoic acid core, imparts unique chemical properties beneficial for targeted molecular design. Supplied by TSS with an assay of 99%.

Organic Synthesis Intermediate
This compound serves as a versatile building block in organic synthesis. It is utilised for the introduction of fluorinated phenyl moieties into more complex molecules, facilitating the creation of diverse chemical structures.
Pharmaceutical Research
It is frequently employed in the research and development of new pharmaceutical agents. The presence of fluorine and trifluoromethyl groups can significantly influence the pharmacokinetic and pharmacodynamic properties of drug candidates.
Materials Science
The unique electronic and physical properties conferred by the fluoro- and trifluoromethyl substituents make it a valuable component in the synthesis of advanced materials and functional organic compounds.
| Molecular weight | 208.11 |
|---|---|
| Linear formula | FC6H3(CF3)CO2H |
| Assay | 99% |
| Melting point | 114-116 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 4-Fluoro-3-(trifluoromethyl)benzoic acid used for?
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4-Fluoro-3-(trifluoromethyl)benzoic acid is primarily used as a building block in organic synthesis, particularly for developing pharmaceutical intermediates and advanced materials due to its fluorinated structure.
What is the CAS number and chemical formula?
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The CAS number for 4-Fluoro-3-(trifluoromethyl)benzoic acid is 67515-55-3, and its chemical formula is FC6H3(CF3)CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Fluoro-3-(trifluoromethyl)benzoic acid with an assay of 99%. TSS does not represent this product as USP, BP, EP, or any pharmacopoeia grade.
How should 4-Fluoro-3-(trifluoromethyl)benzoic acid be handled safely?
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Handle with care, using a dust mask type N95 (US), eyeshields, and gloves. Ensure good ventilation and avoid breathing dust. In case of eye contact, rinse cautiously with water for several minutes and seek medical advice.
How is this chemical packed and exported?
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This chemical is available for purchase and export through Tech Serve Solutions, packaged to meet appropriate safety and transport regulations for fine chemical supply.
How can I request a sample or quote?
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To request a sample or a quote for 4-Fluoro-3-(trifluoromethyl)benzoic acid, please contact our sales department through the TSS website or via your established contact channels.
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