Potassium fluoride
Potassium fluoride (KF), CAS 7789-23-3, is an inorganic compound with the formula KF. This essential chemical serves as a versatile fluoride ion source, finding application in chemical synthesis, deprotection reactions, and studies involving ion-specific polymer gel behaviour. It is also employed in the room temperature oxidation of noble metals and the measurement of electronic polarizabilities in alkali halide polymers. Tech Serve Solutions supplies Potassium fluoride with a minimum assay of 99%.
Chemical Synthesis Reagent
Potassium fluoride is a key reagent in various organic synthesis pathways, particularly as a fluoride source for fluorination reactions and as a deprotecting agent. Its utility extends to facilitating nucleophilic substitutions and promoting specific isomerizations.
Polymer Gel Studies
Utilised in research concerning the behaviour of ion-specific swelling and de-swelling phenomena in ampholytic polymer gels. It provides a controlled source of fluoride ions for these investigations.
Noble Metal Oxidation
Potassium fluoride plays a role in the room temperature oxidation of noble metals when used in conjunction with hydrofluoric acid (HF). This application is significant in specific electrochemical and materials science research.
Electronic Polarizability Measurements
The compound is employed in the precise measurement of electronic polarizabilities of ions within polymers of alkali halides, contributing to fundamental studies in solid-state chemistry and physics.
| Molecular weight | 58.10 |
|---|---|
| Linear formula | KF |
| Assay | ≥99% |
| Grade | purum p.a. |
| Loss on drying | ≤0.5% loss on ignition, 500 °C, 2 h |
| Application | A versatile fluoride ion source used in a study of ion-specific swelling and de-swelling of ampholytic polymer gels,1 in the room temperature oxidation of noble metals in HF,2 and in the measurement of electronic polarizabilities of ions in polymers of alkali halides.3 |
| Melting point | 858 °C(lit.) |
Hazard statements
- H301Toxic if swallowed
- H311Toxic in contact with skin
- H331Toxic if inhaled
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P311Call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 1812 6.1 / PGIII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | T |
| Risk statements (R) | 23/24/25 |
| Safety statements (S) | 26-45 |
| Cation traces | Fe: ≤50 mg/kg |
| Anion traces | chloride (Cl-): ≤100 mg/kgsulfate (SO42-): ≤500 mg/kg |
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 Potassium fluoride (KF) used for?
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Potassium fluoride (KF) is used as a versatile fluoride ion source in chemical synthesis, deprotection reactions, studies of polymer gels, room temperature oxidation of noble metals, and measurement of electronic polarizabilities in alkali halides.
What is the CAS number and chemical formula for Potassium fluoride?
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The CAS number for Potassium fluoride is 7789-23-3 and its chemical formula is KF.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Potassium fluoride in 'purum p.a.' grade with an assay of ≥99%.
How should Potassium fluoride be handled safely?
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Potassium fluoride is classified as Dangerous (GHS06, Signal Word: Danger). It is toxic if swallowed, in contact with skin, and if inhaled (H301-H311-H331). Appropriate personal protective equipment, including eyeshields, face shields, gloves (type P2 respirator cartridges recommended), and adequate ventilation, is essential during handling. Refer to the Safety Data Sheet for comprehensive guidance.
Is Potassium fluoride a controlled substance?
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The provided data does not indicate that Potassium fluoride (CAS 7789-23-3) is a controlled substance. Always comply with local regulations regarding its use and handling.
How is Potassium fluoride packed and shipped?
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Potassium fluoride is shipped according to ADR regulations as UN 1812, Class 6.1, Packing Group III. Specific packaging details are available upon request.
How can I request a sample or a quote for Potassium fluoride?
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To request a sample or a quote for Potassium fluoride, please contact the Tech Serve Solutions sales team via our website or direct contact details, specifying your requirements.
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