Phophotungstic acid application includes catalyst, printing and dyeing, coloring agent, biological sample dyeing, protein precipitation and bipolar ion exchange membrane.

Bismuth phosphotungstate is a bismuth salt of phosphotungstic acid, as a catalyst with green powder, chemical formula of BiPW₁₂O₄₀, generated by metathesis and microwave solid-phase synthesis method from phosphotungstic acid and bismuth trichloride.

Copper phosphotungstate is a product of reaction between phosphotungstic acid and copper nitrate, used as catalyst for petrochemical oxidative desulfurization, catalytic synthesis of acetyl acetal, tetrahydrofuran.

Tungsten oxide photocatalyst mainly use WO₃ as raw material, it can be applied in air purification, anti-fog and self cleaning, anti-baterial.