Sodium Fluorosilicate

CAS Number

16893-85-9

Molecular Formula

Na₂SiF₆

Also known as:

Sodium fluorosilicate; Sodium hexafluorosilicate; Na₂SiF₆

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Product Description

Sodium Fluorosilicate (CAS 16893-85-9) is an inorganic sodium salt used industrially as a solid fluorosilicate source. It is supplied as a free-flowing white crystalline powder and is used where a handled, non-volatile fluoride/fluorosilicate feedstock is required for manufacturing, formulation or analytical use.

Application

  • Fluorosilicate source for ceramics & glass
    Used as a fluorosilicate additive in specialty glazes, frits and glass formulations to modify melting, gloss and chemical resistance.
  • Surface treatment & metal finishing
    Used in formulated conversion coatings and surface treatment chemistries where a solid fluorosilicate source is required.
  • Chemical intermediate & reagent
    Serves as a non-volatile fluorine/fluorosilicate feedstock for manufacture of specialty fluorosilicate intermediates and additives.
  • Pigment & coating additives
    Applied where controlled release of fluoride from a solid source is required in pigment or additive processing.
  • Analytical & laboratory reagent
    Provided in small packs for method development, QC standards and R&D requiring a solid fluorosilicate reference.

Technical Parameters

Parameter Value
Assay ≥ 95.0–99.0%
Appearance White crystalline powder
Loss on drying / Moisture ≤ 0.2–0.8%
Density ≈ 2.6–2.9 g·cm⁻³

Applications

Bactericides/Oxidizing Agents

Quick Information

EINECS 240-934-8
Molecular Weight 188.06 g/mol

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