Tungstic acid

Tungstic acid (CAS 7783-03-1), also referenced as H2WO4, is an inorganic tungsten compound used primarily as a catalyst and catalyst precursor in industrial chemical processing.

Where is Tungstic acid used?

• Catalyst manufacturing: processed into supported tungsten oxide catalysts for petroleum refining and hydrocracking
• Tungsten metal powder and tungsten trioxide: controlled-purity precursor feeding powder metallurgy and hard metal supply chains
• Ammonium paratungstate (APT): intermediate in its preparation
• Specialty chemicals: synthesis of heteropolyacid catalysts for oxidation and acid-catalyzed organic reactions
• It serves as a key entry point for producing tungsten-based catalysts and downstream tungsten compounds.

Commercial specifications

• Purity typically 99% upward for catalyst and precursor applications
• Moisture content and tungsten oxide assay are standard quality parameters
• Packaging in multi-kilogram bags through to bulk quantities depending on grade