4-Cyano-2-fluorobenzoic acid
4-Cyano-2-fluorobenzoic acid (CAS: 164149-28-4, Formula: C8H4FNO2) is a valuable organic compound with a molecular weight of 165.12 g/mol. This fluorinated aromatic carboxylic acid serves as a key building block in organic synthesis. Its structure, featuring both a nitrile and a carboxylic acid group alongside a fluorine atom, allows for diverse chemical transformations, making it an important intermediate in the development of novel materials and biologically active molecules.

Organic Synthesis Intermediate
This compound is widely utilised as a versatile building block in the synthesis of complex organic molecules. Its functional groups facilitate a range of reactions, contributing to the creation of diverse chemical structures for research and development.
Pharmaceutical Research
As a fluorinated aromatic compound, it finds application in the design and synthesis of pharmaceutical intermediates. The presence of fluorine can significantly influence the pharmacokinetic and pharmacodynamic properties of drug candidates.
Material Science
The unique combination of functional groups makes 4-Cyano-2-fluorobenzoic acid a candidate for incorporation into novel materials. It can be used in the development of polymers, liquid crystals, and other advanced materials requiring specific electronic or structural properties.
| Molecular weight | 165.12 |
|---|---|
| Empirical formula | C8H4FNO2 |
| Assay | 97% |
| Melting point | 215-219 °C |


Hazard statements
- H302Harmful if swallowed
- H318Causes serious eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-41 |
| Safety statements (S) | 26-39 |
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-Cyano-2-fluorobenzoic acid used for?
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4-Cyano-2-fluorobenzoic acid is primarily used as a building block in organic synthesis, particularly in pharmaceutical research and material science due to its fluorinated aromatic structure with nitrile and carboxylic acid functionalities.
What is the CAS number and formula for 4-Cyano-2-fluorobenzoic acid?
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The CAS number is 164149-28-4, and the empirical formula is C8H4FNO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Cyano-2-fluorobenzoic acid with an assay of 97%. This is a technical/research grade chemical, and TSS does not represent it as USP, BP, or EP grade.
What are the main safety hazards associated with 4-Cyano-2-fluorobenzoic acid?
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This compound presents significant hazards, indicated by the Danger signal word and GHS05/GHS07 symbols. It is harmful if swallowed (H302) and causes serious eye damage (H318). Appropriate personal protective equipment, including eyeshields, gloves, and a dust mask (type N95 or equivalent), is essential during handling.
Can Tech Serve Solutions export 4-Cyano-2-fluorobenzoic acid?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 4-Cyano-2-fluorobenzoic acid.
How can I request a sample or quote for 4-Cyano-2-fluorobenzoic acid?
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To request a sample or a quote, please contact our sales team through the channels provided on the Tech Serve Solutions website.
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