Sodium hexafluoroantimonate (CAS 16925-25-0), with the chemical formula NaSbF6, is an inorganic salt consisting of sodium cations and hexafluoroantimonate anions. It typically appears as a white crystalline powder. The anion adopts a stable octahedral geometry (designated as OC-6-11), which imparts unique stability and reactivity. Sodium hexafluoroantimonate (CAS 16925-25-0) is highly valued in high-tech industries for its ability to provide a non-coordinating anion, making it an exceptional component for cationic polymerization and complex Lewis acid catalytic systems.

• High Purity (>= 99.0%): Chemfine ensures strictly controlled heavy metal impurities and ultra-low moisture content for sensitive electronic applications.

• Superior Solubility: Excellent solubility in water and various organic solvents like methanol, ethanol, and acetonitrile.

• Octahedral Stability: The (OC-6-11) structure provides consistent performance in complex chemical reactions.

• Essential UV-Curing Precursor: The gold standard starting material for synthesizing high-efficiency onium salt photoinitiators.

• Robust Lewis Acid Source: Provides a potent, stable source of the hexafluoroantimonate anion for specialized catalytic processes.

• Reliable Industrial Supply: Produced under rigorous quality control to ensure batch-to-batch consistency for large-scale manufacturing.

Cationic Photoinitiator Synthesis

Used as a key raw material for producing iodonium and sulfonium hexafluoroantimonate salts, which are essential for the UV-curing of epoxy resins and electronic inks.

Organic Synthesis Catalyst

Acts as a specialized catalyst or co-catalyst in reactions such as epoxidation, polymerization, and certain Friedel-Crafts transformations.

Electronics and Semiconductor Industry

Utilized in specialized etching processes and as a component in advanced electrolyte formulations for batteries and capacitors.

Metal Surface Treatment

Applied in specific metal finishing and plating baths to enhance the corrosion resistance and adhesion properties of metal substrates.

Precursor for Other Antimony Compounds

Serves as an intermediate for the production of other high-purity hexafluoroantimonate derivatives used in pharmaceutical and material science research.

Standard industrial packaging options for Sodium hexafluoroantimonate include:

• 25kg fiber drums with double-layer PE moisture-proof inner bags (Standard export packaging).

• 50kg reinforced plastic drums for heavy-duty industrial handling.

• Small vacuum-sealed bags (1kg - 5kg) for laboratory and pilot-scale use.

• All packaging is hermetically sealed to prevent moisture absorption and is shipped in compliance with hazardous material (Class 6.1/8) regulations.

Sodium hexafluoroantimonate is toxic and hygroscopic. It must be stored in a cool, dry, and well-ventilated dedicated warehouse. Keep containers tightly sealed to protect from atmospheric moisture. Store in a dedicated area for toxic and corrosive substances, away from food and feed. Store away from strong acids and strong bases. When exposed to moisture, it may release small amounts of hydrogen fluoride. Properly stored, it has a shelf life of at least 24 months.

Sodium hexafluorostibate(V), Sodium hexafluoroantimonate(V), NaSbF6, Sodium antimonate(V) hexafluoride.

1. Potassium hexafluoroantimonate – CAS 16893-92-8

2. Lithium hexafluoroantimonate – CAS 18424-17-4

3. Hexafluoroantimonic acid – CAS 16950-06-4

4. Antimony pentafluoride – CAS 7783-70-2

5. Sodium hexafluorophosphate (NaPF6) – CAS 21324-39-0

6. Potassium hexafluorophosphate (KPF6) – CAS 17084-13-8

7. Silver hexafluoroantimonate – CAS 26042-64-8

8. Triphenylsulfonium hexafluoroantimonate – CAS 57835-99-1

9. Antimony trioxide – CAS 1309-64-4

10. Sodium fluoride – CAS 7681-49-4