Description

Potassium Fluoride Dihydrate is a versatile inorganic salt valued for its dual role as a source of fluoride ions and a mild base. This compound is essential in numerous industrial processes where controlled fluorination or pH adjustment is required. Key industries that rely on this material include organic synthesis, glass etching, and metallurgy.

Application

• Organic Synthesis: Acts as a fluorinating agent and a catalyst in various reactions, including nucleophilic aromatic substitution and the synthesis of fluorinated compounds.
• Glass & Ceramics Manufacturing: Used in etching, frosting, and polishing of glass, as well as in the production of specialized optical glasses and ceramic glazes.
• Metallurgy & Surface Treatment: Employed in fluxes for welding and soldering, and in surface treatments for aluminum and magnesium alloys.
• Laboratory & Analytical Chemistry: Serves as a reagent for chemical analysis and in the preparation of buffer solutions.
• Wood Preservation: Utilized as a component in formulations for protecting wood from decay and insect damage.
• Dental & Pharmaceutical Precursors: Used in the manufacture of fluoride-containing products and as an intermediate for active pharmaceutical ingredients (APIs).

Basic Information

Product Name	Potassium Fluoride Dihydrate
CAS No.	13455-21-5
Molecular Formula	KF·2H₂O
Molecular Weight	94.13 g/mol (anhydrous basis)
Synonyms	Potassium fluoride dihydrate; Potassium fluoride 2-hydrate; Fluorure de potassium dihydraté (French); Kaliumfluorid-dihydrat (German); Potassium hydrogen difluoride (related); KF dihydrate; Fluorol; EINECS 236-656-5 (for anhydrous form)
EINECS	Contact for details

Quality Control

Our Potassium Fluoride Dihydrate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and physical properties. A Certificate of Analysis (COA) detailing assay, impurity profiles, and other critical parameters is provided with every shipment to guarantee consistent quality and traceability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent caking and degradation. Keep away from strong acids.

Specification

Item	Specification
Appearance	White crystalline powder or granules
Identification (IR)	Conforms
Assay (KF·2H₂O)	≥ 98.0 %
Water Content (Karl Fischer)	28.0 - 32.0 %
Chloride (Cl)	≤ 0.01 %
Sulfate (SO₄)	≤ 0.01 %
Heavy Metals (as Pb)	≤ 10 ppm
Iron (Fe)	≤ 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.