Tetrafluorophthalic acid
Tetrafluorophthalic acid (CAS: 652-03-9), with the molecular formula C₆F₄-1,2-(CO₂H)₂, is a specialised organic compound. It functions as a valuable building block in chemical synthesis. Its structure, featuring a tetrafluorinated benzene ring with two carboxylic acid groups, makes it useful in the creation of advanced materials and complex organic molecules. Tech Serve Solutions supplies this chemical for research and development purposes.
- Synonyms
- 2-(CO2H)2

Organic Synthesis
Tetrafluorophthalic acid serves as a key intermediate in the synthesis of various organic compounds. Its fluorinated aromatic core and reactive carboxylic acid functionalities enable the construction of complex molecular architectures.
Materials Science
This compound can be utilised in the development of novel polymers and functional materials. The incorporation of fluorine atoms can impart unique properties such as thermal stability and altered electronic characteristics.
Pharmaceutical Intermediates
As a building block, tetrafluorophthalic acid may find application in the synthesis pathways for certain pharmaceutical compounds, contributing specific structural motifs.
| Molecular weight | 238.09 |
|---|---|
| Linear formula | C6F4-1,2-(CO2H)2 |
| Assay | 90% |
| Impurities tested | 5-10% water |
| Melting point | 152-154 °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) | 26-37/39 |
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 Tetrafluorophthalic acid used for?
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Tetrafluorophthalic acid is primarily used as a building block in organic synthesis and in materials science for the development of novel polymers and functional materials. It may also serve as an intermediate in pharmaceutical synthesis.
What is the CAS number and formula for Tetrafluorophthalic acid?
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The CAS number for Tetrafluorophthalic acid is 652-03-9, and its linear formula is C₆F₄-1,2-(CO₂H)₂.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Tetrafluorophthalic acid with an assay of 90%, containing 5-10% water. This product is intended for technical and research purposes, and TSS does not represent it as USP, BP, or EP grade.
How should Tetrafluorophthalic acid be handled?
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Tetrafluorophthalic acid is a Warning substance that causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). When handling, use a dust mask type N95 (US), eyeshields, and gloves. Ensure adequate ventilation and avoid breathing dust.
How is Tetrafluorophthalic acid exported and shipped?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals and laboratory reagents, experienced in shipping worldwide.
How can I request a sample or quote for Tetrafluorophthalic acid?
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To request a sample or a quote for Tetrafluorophthalic acid, please contact our sales team through the TSS website or by telephone.
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