Basic information of Potassium Fluoride
- Product Name: Potassium Fluoride
- Synonyms: Anhydrous Potassium Fluoride, Potassium FluorideSalt
- Potassium Fluoride CAS No.: 7789-23-3
- Potassium Fluoride Molecular Formula: KF
- Potassium Fluoride Molecular Weight: 58.10
- Potassium Fluoride Molar Mass: 58.10 g/mol
- Potassium Fluoride EINECS No.: 232-151-5
- Potassium Fluoride Appearance: White monoclinic crystals or crystalline powder; tastes salty.
- Potassium Fluoride Hydrates: Two hydrates exist: KF·2H₂O and KF·4H₂O
What is Potassium Fluoride?
- Potassium Fluoride is an inorganic salt that appears as a white crystalline powder, and it serves as a key basic raw material in the fluorine chemical industry.
- Potassium Fluoride serves as a source of fluoride ions and can be used in the manufacture of fluorinated pharmaceuticals, fluorine-containing pesticides, and similar products;It can serve as a co-solvent to facilitate the melting of materials at lower temperatures;The corrosive properties of Potassium Fluoride toward glass can be utilized for applications such as glass etching.Potassium Fluoride has a wide range of applications.
- Potassium Fluoride is also a key component in high-tech fields.For example: used as an electrolyte additive for lithium-ion batteries to enhance battery performance;Used as a post-treatment for CIGS thin-film solar cells to enhance photoelectric conversion efficiency;Used as a raw material for the preparation of optical crystals, etc.
- Although Potassium Fluoride is toxic and hygroscopic, it holds an irreplaceable position in modern industry.
Why choose Highassay?
- Our Potassium Fluoride features clearly defined grade classifications, and we will explicitly inform you of the purity grade and applicable scope of our Potassium Fluoride
- We will provide you with comprehensive characteristic data for Potassium Fluoride, accompanied by a COA and SDS included with the shipment.
- We offer customizable physical properties for Potassium Fluoride, adjusting parameters such as particle size and bulk density to meet your specific requirements.
- We provide consistent batch quality of Potassium Fluoride, sparing you the headaches associated with formula formulation.
- Our Potassium Fluoride features compliant packaging labels, ensuring safe delivery.
If you have any questions regarding the price of Potassium Fluoride or related data, please contact me online, and I will respond as soon as possible.
Potassium Fluoride: Packaging and Storage
- Potassium Fluoride raw material consists of a combination of outer and inner packaging. The outer packaging consists of woven plastic bags or cardboard drums (bearing labels indicating toxicity, heat sensitivity, and moisture sensitivity), lined internally with plastic film bags.
- Potassium Fluoride must be stored in a cool, dry, and well-ventilated warehouse, kept away from sources of ignition and heat. It must not be stored together with acids or food-grade chemicals.
- The shelf life for industrial-grade Potassium Fluoride is 12 to 24 months; the shelf life for high-purity/optical-grade Potassium Fluoride is 6 to 12 months.
Applications of Potassium Fluoride
Highassay supplies Potassium Fluoride powder in bulk. If you require industrial-grade, reagent-grade, high-purity, or optical-grade Potassium Fluoride, please click below to request a quote.
Industrial-Grade Potassium Fluoride
- Our industrial-grade Potassium Fluoride features a main content of ≥98% and is not subject to strict limits regarding impurities such as chlorides and sulfates; it not only meets the requirements of basic industries but also offers distinct cost advantages.
- If you require materials for applications such as glass etching, welding fluxes, agricultural insecticides, wood preservation, or as absorbents for HF and moisture—among other fields.We can customize the particle size and packaging of Potassium Fluoride according to your specific requirements, ensuring maximum convenience for your production operations.
Reagent-grade Potassium Fluoride
- Our reagent-grade Potassium Fluoride is available in two specifications: Analytical Reagent (AR, purity ≥99.0%) and Chemically Pure (CP, purity ≥98.0%). It features clearly defined limits for common impurities and is suitable for laboratory analysis and fine chemical synthesis.
- If you require this product for laboratory and analytical applications—such as use as an analytical reagent, masking agent, or complexing agent—we can adjust impurity limits to meet your specific requirements and provide Potassium Fluoridein small packaging to minimize waste.
High-Purity Grade Potassium Fluoride
- Our high-purity grade Potassium Fluoride features a purity range of 99.5% to 99.99%, with metallic impurity levels controlled to the ppm range, thereby meeting the stringent requirements for Potassium Fluoride in high-end sectors such as electronics and pharmaceuticals.
- If your application lies in fields such as electronics, pharmaceutical manufacturing, pesticide synthesis, lithium batteries, or the aerospace industry, we can supply you with high-purity Potassium Fluoride featuring individual metal impurities of ≤5 ppm and a uniform particle size distribution.
- Specific requirements for high-purity Potassium Fluoride vary across different industries. Please inform us of your needs, and the Highassay team will match you with the most suitable product specifications.
Optical-Grade Potassium Fluoride
- Our optical-grade Potassium Fluoride possesses exceptionally high purity (typically required to be 99.99% or higher on a metals basis). Impurity levels are controlled with extreme rigor; specifically, the content of metallic impurities (such as Fe, Pb, and Cu), ClO₃⁻,SO₄²⁻ , SiF₆²⁻ must be maintained at the ppb level; Optimize the particle size distribution and moisture resistance of sodium fluoride to ensure excellent physical properties.
- The properties of optical-grade Potassium Fluoride are the direct factors determining the performance of optical components (such as transmittance, laser-induced damage threshold, etc.).Its existence is to meet the extreme requirements of material transmittance, uniformity, and stability.For example, optical glass manufacturing, optical crystal growth, precision optical coating, etc.
- Highassay can supply you with optical-grade Potassium Fluoride raw materials that meet these rigorous standards, and can also customize optical-grade Potassium Fluoride to suit your specific requirements. If you are seeking a reliable, long-term partner for Potassium Fluoride powder, please contact us.
Specifications of Potassium Fluoride
- Typical Quality Specifications for Reagent-Grade Potassium Fluoride (AR Grade Example)
- Typical Quality Specifications for High-Purity Grade Potassium Fluoride (Based on First-Grade Product)
| Indicator Items | Analytical Reagent (AR) | Chemically Pure (CP) |
| Content (KF·2H₂O) | ≥99.0% | ≥98.0% |
| Free Acid (as HF) | ≤0.05% | ≤0.1% |
| Free Alkali (as KOH) | ≤0.05% | ≤0.1% |
| Chloride (Cl) | ≤0.002% | ≤0.005% |
| Sulfate (SO₄) | ≤0.01% | ≤0.02% |
| Fluorosilicate | ≤0.05% | ≤0.1% |
| Iron (Fe) | ≤0.0005% | ≤0.001% |
| Heavy Metals (as Pb) | ≤0.001% | ≤0.005% |
| Indicator Items | Control Standards |
| Potassium Fluoride Content | ≥99.5% |
| Chloride (Cl) | ≤0.05% |
| Sulfate (SO₄) | ≤0.1% |
| Fluorosilicate | ≤0.01% |
| Trace Elements (ICP Analysis) | |
| Cr、Cu、Mg、Fe、As | ≤5 ppm |
| Al、Pb | ≤10 ppm |
| Si | ≤8 ppm |
| Na | ≤300 ppm |
What are the main differences between optical-grade Potassium Fluoride and standard-grade Potassium Fluoride?
In terms of purity: Standard-grade Potassium Fluoride (98%) focuses primarily on the main content, whereas optical-grade Potassium Fluoride (99.99%) places its focus on the impurity content.
In terms of function: Standard-grade Potassium Fluoride is typically utilized as a raw material, whereas optical-grade Potassium Fluoride serves as a critical functional material.
What are the common types of impurities found in Potassium Fluoride raw materials?
Anionic Impurities: Primarily Cl⁻, SO₄²⁻, and SiF₆²⁻
Metallic Impurities: Primarily Fe, Pb, Cu, Cr, Ni, and As
Free Acids/Bases: Primarily HF and KOH
What is the range of Potassium Fluoride particle sizes we can provide?
Fine Potassium Fluoride powder (<100 m) is characterized by a large specific surface area and high chemical reactivity.
Coarse Potassium Fluoride granules (20–60 m) offer the advantages of excellent flowability and minimal dust generation.
Ultrafine Potassium Fluoride powder (<10 μm) exhibits extremely high reactivity.
Is Potassium Fluoride an electrolyte?
Yes. Potassium Fluoride is a typical ionic compound that exhibits electrical conductivity when dissolved in a solvent or in a molten state.
Potassium Fluoride serves as both a liquid electrolyte in traditional electrochemical devices and a solid electrolyte in research into next-generation battery technologies.
Physicochemical Properties of Potassium Fluoride
- Potassium Fluoride Melting Point: 858°C
- Potassium Fluoride Boiling Point: 1505°C
- Potassium Fluoride Flash Point: 1505°C
- Potassium Fluoride Bulk Density: 400 kg/m³
- Potassium Fluoride Density: 2.48 g/cm³
- Potassium Fluoride Refractive Index: 1.363
- Potassium Fluoride Vapor Density: 2 (vs air)
- Potassium Fluoride Vapor Pressure: 922 mmHg at 25°C
- Potassium Fluoride Saturated Vapor Pressure: 133.3 Pa (at 885°C)
- Potassium Fluoride pH: 7.0–8.5 (25°C, 1 M in H₂O)
- Potassium Fluoride Solubility: Soluble in water, hydrofluoric acid, and liquid ammonia; insoluble in alcohols.
- Potassium Fluoride Solubility in Water: 92.3 g/100 mL (18°C)
- Potassium Fluoride Deliquescence: Highly deliquescent
- Potassium Fluoride Hygroscopicity: Highly hygroscopic
- Potassium Fluoride Toxicity: Toxic
- Potassium Fluoride Stability: Stable; incompatible with hydroxy acids and strong bases.
- Potassium Fluoride Thermal Stability: Undergoes only slight decomposition when heated to its sublimation temperature; the molten state is highly reactive and can corrode refractory materials.
- Potassium Fluoride Specific Reactions: Forms an adduct, KF·H₂O₂, upon reaction with hydrogen peroxide.
- Potassium Fluoride Reaction with Acids: Reacts with acids to release hydrofluoric acid, which is highly corrosive and intensely irritating.
- Potassium Fluoride Crystal Structure: Under standard temperature and pressure, it exhibits a typical cubic crystal system with a stable structure.
- Potassium Fluoride Storage Conditions: Store at +5°C to +30°C
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