Sodium Antimonate, also known as Sodium Pyroantimonate (NaSb(OH)6 or NaSbO3.3H2O), is an inorganic antimony compound in which antimony is present in the +5 oxidation state. It is typically supplied as a white to off-white powder and is valued for its excellent performance in glass manufacturing and various industrial applications.

Chemical Identification:​ CAS Number: 15432-85-6, Other Reported CAS Numbers: 33908-66-6, 11112-10-0​​

Applications: 

• Glass Manufacturing

Sodium Antimonate is widely used as a fining agent in glass production. It helps remove gas bubbles from molten glass, improving clarity, homogeneity, and overall product quality for manufacturing of high-quality, clear glass for photovoltaic applications.

• Flame Retardants

Sodium Antimonate is used in selected flame-retardant formulations to help improve the fire performance of materials, depending on the formulation and end-use requirements.

• Enamels, Ceramic and Pigment Applications

It is used in certain enamel and ceramic formulations, also as raw material for certain speciality pigments.