Sodium tetrakis(4-fluorophenyl)borate dihydrate
Sodium tetrakis(4-fluorophenyl)borate dihydrate (CAS 207683-22-5) is a chemical compound with the linear formula (FC6H4)4BNa·2H2O and a molecular weight of 450.21 g/mol. This substance serves as a valuable reagent in analytical chemistry, particularly for gravimetric analysis. It is also employed in chemical synthesis and catalysis, leveraging the unique properties of the fluorinated phenylborate anion.
- IUPAC
- Cesibor,Tetrakis(4-fluorophenyl)boron sodium
- Synonyms
- CesiborTetrakis(4-fluorophenyl)boron sodium

Gravimetric Reagent
Utilised in gravimetric analysis for the quantitative determination of specific analytes through precipitation. Its properties allow for accurate mass measurements essential in analytical procedures.
Chemical Synthesis
Serves as a building block or reagent in organic synthesis. The fluorinated phenyl groups can influence reaction pathways and product properties.
Catalysis
Can be employed as a component or precursor in catalytic systems. Its specific chemical structure may be beneficial in certain catalytic applications, particularly in inorganic chemistry.
Analytical Chemistry
Applied in various analytical methods beyond gravimetry, potentially including chromatography, owing to its distinct chemical characteristics.
| Molecular weight | 450.21 |
|---|---|
| Linear formula | (FC6H4)4BNa·2H2O |
| Assay | 98% |
| Impurities tested | <2% acetone |

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 Sodium tetrakis(4-fluorophenyl)borate dihydrate used for?
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Sodium tetrakis(4-fluorophenyl)borate dihydrate is primarily used as a gravimetric reagent in analytical chemistry. It also finds applications in chemical synthesis and catalysis.
What are the CAS number and chemical formula for Sodium tetrakis(4-fluorophenyl)borate dihydrate?
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The CAS number is 207683-22-5 and the linear formula is (FC6H4)4BNa·2H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Sodium tetrakis(4-fluorophenyl)borate dihydrate with a minimum assay of 98%. This product is intended for research and analytical purposes and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety precautions for handling Sodium tetrakis(4-fluorophenyl)borate dihydrate?
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This compound is classified with a Warning signal word and causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment including a dust mask (N95), eyeshields, and gloves should be used. Ensure good ventilation and avoid breathing dust.
How is Sodium tetrakis(4-fluorophenyl)borate dihydrate packed and exported?
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Tech Serve Solutions, as a global supplier, exports chemicals like Sodium tetrakis(4-fluorophenyl)borate dihydrate in compliance with international shipping regulations, ensuring safe and secure packaging for global distribution.
How can I request a quote or sample for this chemical?
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To request a quote or sample of Sodium tetrakis(4-fluorophenyl)borate dihydrate, please contact our sales team through the website or by phone. Provide the product name and CAS number for prompt service.
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