Description

Magnesium Fluorosilicate is an inorganic salt with significant industrial utility, primarily valued for its role as a source of fluoride and silicate ions. This compound is essential for processes requiring controlled chemical reactivity and specific mineral formation. It is a critical raw material for manufacturers in the ceramics, surface treatment, and construction chemical industries seeking reliable performance and consistent quality.

Application

• Ceramics and Enamel Manufacturing: Acts as a fluxing agent and opacifier to lower melting points and improve surface finish and durability.
• Surface Treatment & Metal Finishing: Used in formulations for metal surface cleaning, etching, and as a component in conversion coatings to enhance corrosion resistance and paint adhesion.
• Concrete Hardener and Sealer: Applied to concrete floors and surfaces to densify the matrix, reduce dusting, and improve resistance to water and chemical penetration.
• Wood Preservation: Serves as an active ingredient in treatments to protect lumber from fungal decay and insect infestation.
• Glass Manufacturing: Utilized as a refining agent and to modify the optical and chemical properties of specialty glasses.
• Insecticide and Pesticide Formulations: Functions as an effective active component in certain agricultural and horticultural pest control products.
• Water Fluoridation and Treatment: Employed in some municipal water treatment systems as a source of fluoride ions.
• Chemical Synthesis: Used as a precursor or reagent in the preparation of other magnesium and silicon-based compounds.

Basic Information

Product Name	Magnesium Fluorosilicate
CAS No.	12449-55-7
Molecular Formula	MgSiF6·6H2O (common hydrate)
Molecular Weight	274.47 g/mol (for hexahydrate)
Synonyms	Magnesium Hexafluorosilicate; Magnesium Silicofluoride; Silicate(2-), hexafluoro-, magnesium (1:1); Magnesium Fluosilicate; Magnesium Hexafluoridosilicate(2-); UN 2853 (Transport); MagSiF6
EINECS	235-654-8

Quality Control

Our Magnesium Fluorosilicate is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise chemical and physical specifications, including assay, impurity profiles, and loss on drying. Certificates of Analysis (COA) documenting these results are provided to guarantee traceability, consistency, and compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong alkalis. The product is hygroscopic; keep the container tightly sealed to prevent moisture absorption and caking. Recommended storage temperature: 15-25°C.

Specification

Item	Specification
Appearance	White crystalline powder or granules
Identification (IR)	Conforms
Assay (MgSiF6·6H2O)	≥ 98.0 %
Loss on Drying	≤ 2.0 %
Water Insoluble Matter	≤ 0.5 %
Chloride (Cl)	≤ 0.01 %
Sulfate (SO4)	≤ 0.05 %
Heavy Metals (as Pb)	≤ 10 ppm

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