H2WO4

H₂WO₄ (tungstic acid) is an inorganic ceramic compound and a hydrated form of tungsten trioxide, typically encountered as a yellow-green powder or precipitate rather than a consolidated ceramic. While not commonly used as a bulk engineering material in its pure form, tungstic acid serves as a precursor compound in the synthesis of tungsten oxide ceramics and catalytic materials, and has been explored in research contexts for applications requiring tungsten-based compounds with controlled particle size and morphology.