Used in the production of specialty glass, particularly in cathode ray tubes and optical glass, where it improves refractive index and durability.

Acts as a flux in ceramic glazes, enhancing hardness and resistance to scratching.

Employed in the manufacturing of ferrites for electronic components like inductors and transformers.

Serves as a rodenticide due to its toxicity to pests.

Utilized in the purification of brine solutions in caustic chlorine plants by removing sulfate impurities.

Functions as a filler in some rubber and plastic compounds to improve weight and stability.

Used as an intermediate for producing other barium compounds in electronics and as a desulfurizing agent in steel and alloy production.