Barium Tungstate

Barium Tungstate Picture

Chinese Name:钨酸钡

CAS Number:7787-42-0

Chemical Formula:BaWO4

Molecular Weight:385.16500

Exact Weight:385.83600


White powder, micro toxicity. Relative density is 5.04. It can slightly dissolve in water, completely dissolved in oxalate water solution, decompose in acid and is stable in the air.

Producing method:

By reacting barium oxide or carbon barium with tungsten trioxide, or obtained from the dissove of carbon barium in tungstic acid. Also can be produced by heating Ba and sodium tungstate solution of replacement reaction.


It can be applied in electronic industry and optical glass, ceramic, pigment, inhibiter, enhancer for X-ray and fluorescent screen.