3-Fluoro-4-(trifluoromethyl)benzoic acid
3-Fluoro-4-(trifluoromethyl)benzoic acid (CAS: 115754-21-7) is a fluorinated organic compound with the chemical formula FC6H3(CF3)CO2H and a molecular weight of 208.11 g/mol. This carboxylic acid derivative serves as a valuable building block in organic synthesis. Its structure, featuring both fluorine and trifluoromethyl substituents on the benzoic acid core, makes it useful in the development of novel chemical entities for various research and industrial applications.

Organic Synthesis Intermediate
This compound is frequently employed as a key intermediate in the synthesis of more complex organic molecules. Its specific functional groups allow for diverse chemical transformations.
Fluorinated Building Block
The presence of fluorine and a trifluoromethyl group makes it a sought-after building block for creating fluorinated compounds, which often exhibit unique physical and biological properties.
Pharmaceutical Research
It can be utilized in the research and development of new pharmaceutical agents. Fluorinated motifs are common in modern drug discovery due to their influence on metabolic stability and binding affinity.
Materials Science
This chemical may find applications in the development of advanced materials where specific electronic or physical properties are desired, owing to its fluorinated aromatic structure.
| Molecular weight | 208.11 |
|---|---|
| Linear formula | FC6H3(CF3)CO2H |
| Assay | 98% |
| Melting point | 174-179 °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 3-Fluoro-4-(trifluoromethyl)benzoic acid used for?
+
3-Fluoro-4-(trifluoromethyl)benzoic acid (CAS: 115754-21-7) is primarily used as a building block and intermediate in organic synthesis, particularly for creating fluorinated organic compounds relevant to pharmaceutical research and materials science.
What are the CAS number and formula for this compound?
+
The CAS number for 3-Fluoro-4-(trifluoromethyl)benzoic acid is 115754-21-7, and its chemical formula is FC6H3(CF3)CO2H.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 3-Fluoro-4-(trifluoromethyl)benzoic acid with an assay of 98%. TSS does not represent this product as USP, BP, EP, or pharmacopoeia grade.
How should 3-Fluoro-4-(trifluoromethyl)benzoic acid be handled?
+
This compound is classified as an irritant to skin, eyes, and the respiratory tract (H315, H319, H335). Handling requires appropriate personal protective equipment, including eyeshields, gloves, and a dust mask (type N95 or equivalent).
Is this chemical exported by TSS?
+
Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 3-Fluoro-4-(trifluoromethyl)benzoic acid.
How can I request a quote or sample?
+
To request a quote or sample of 3-Fluoro-4-(trifluoromethyl)benzoic acid, please contact the Tech Serve Solutions sales team through our website or by phone.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis