2,3,5,6-Tetrafluoro-4-hydroxybenzoic acid hydrate
2,3,5,6-Tetrafluoro-4-hydroxybenzoic acid hydrate (CAS: 207738-02-1) is a fluorinated organic compound with the linear formula HOC6F4CO2H · xH2O. This compound, with a molecular weight of 210.08 on an anhydrous basis, serves as a valuable building block in organic synthesis. Its structure, featuring a tetrafluorinated phenyl ring with hydroxyl and carboxyl groups, makes it useful for introducing fluorinated motifs into more complex molecules across various chemical research and development sectors.
- Synonyms
- 6-Tetrafluoro-4-hydroxybenzoic acid hydrateHOC6F4CO2H · xH2O

Fluorinated Building Block
Utilised in the synthesis of novel organic compounds where the incorporation of fluorine atoms is desired for modifying physical and chemical properties.
Intermediate in Organic Synthesis
Serves as a key intermediate for the preparation of more complex fluorinated molecules, potentially for pharmaceuticals, agrochemicals, or materials science.
Research and Development
Employed in academic and industrial research laboratories for exploring new synthetic pathways and developing novel chemical entities.
| Molecular weight | 210.08 (anhydrous basis) |
|---|---|
| Linear formula | HOC6F4CO2H · xH2O |
| Assay | 96% |
| Melting point | 104-107 °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 2,3,5,6-Tetrafluoro-4-hydroxybenzoic acid hydrate used for?
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2,3,5,6-Tetrafluoro-4-hydroxybenzoic acid hydrate is primarily used as a building block and intermediate in organic synthesis, particularly for introducing fluorinated moieties into target molecules for research and development purposes.
What is the CAS number and formula for this compound?
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The CAS number is 207738-02-1 and the linear formula is HOC6F4CO2H · xH2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with an assay of 96%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 2,3,5,6-Tetrafluoro-4-hydroxybenzoic acid hydrate be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 or equivalent), eyeshields, and gloves. Avoid breathing dust and ensure good ventilation. Refer to the Safety Data Sheet for comprehensive handling information.
Does Tech Serve Solutions export this chemical?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 2,3,5,6-Tetrafluoro-4-hydroxybenzoic acid hydrate.
How can I request a quote or sample?
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To request a quote or a sample of 2,3,5,6-Tetrafluoro-4-hydroxybenzoic acid hydrate, please contact our sales team through the website or by phone.
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