4-(Trifluoroacetyl)benzoic acid
4-(Trifluoroacetyl)benzoic acid (CAS: 58808-59-6), with the molecular formula C9H5F3O3 and a molecular weight of 218.13 g/mol, is a specialised fluorinated organic building block. This compound features a trifluoroacetyl group attached to a benzoic acid core, making it a valuable intermediate in organic synthesis. It serves as a key component in the development of novel materials and pharmaceutical agents, offering unique reactivity due to its fluorinated structure.
- IUPAC
- 4-(2,2,2-Trifluoroacetyl)benzoic acid

Organic Synthesis Intermediate
This compound is widely employed as a versatile intermediate in the synthesis of complex organic molecules. Its trifluoroacetyl moiety allows for diverse chemical transformations, contributing to the construction of advanced molecular architectures.
Fluorinated Building Block
As a fluorinated building block, it is instrumental in introducing trifluoromethyl groups into target molecules. This is particularly relevant in the pharmaceutical and agrochemical industries where fluorine incorporation can enhance biological activity and metabolic stability.
Material Science Applications
The unique electronic and steric properties imparted by the trifluoroacetyl group make it suitable for developing new polymers and advanced materials with specific functional characteristics.
| Molecular weight | 218.13 |
|---|---|
| Empirical formula | C9H5F3O3 |
| Assay | ≥97.0% (HPLC) |

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
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
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-(Trifluoroacetyl)benzoic acid used for?
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4-(Trifluoroacetyl)benzoic acid is primarily used as a versatile intermediate in organic synthesis and as a fluorinated building block for developing pharmaceuticals, agrochemicals, and advanced materials.
What is the CAS number and molecular formula of 4-(Trifluoroacetyl)benzoic acid?
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The CAS number is 58808-59-6 and the molecular formula is C9H5F3O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-(Trifluoroacetyl)benzoic acid with a minimum purity of ≥97.0% (HPLC). This product is supplied for research and industrial use and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should 4-(Trifluoroacetyl)benzoic acid be handled?
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4-(Trifluoroacetyl)benzoic acid is a warning substance that causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment in a well-ventilated area. Avoid breathing dust/fume/gas/mist/vapours/spray and contact with skin and eyes. In case of contact with eyes, rinse cautiously with water for several minutes and seek medical advice.
Is 4-(Trifluoroacetyl)benzoic acid a controlled substance?
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The provided data does not indicate that 4-(Trifluoroacetyl)benzoic acid is a controlled substance.
How is 4-(Trifluoroacetyl)benzoic acid packed and exported?
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Tech Serve Solutions securely packs and exports chemicals globally, adhering to all relevant shipping regulations to ensure safe and compliant delivery.
How can I request a quote or sample for 4-(Trifluoroacetyl)benzoic acid?
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To request a quote or sample of 4-(Trifluoroacetyl)benzoic acid, please contact our sales team through the website or by phone, providing your specific requirements.
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