Phospho Tungstic Acid

Phosphotungstic Acid (PTA), also known as 12-Phosphotungstic Acid, is a heteropoly acid composed of phosphorus, tungsten, oxygen, and hydrogen. It is generally supplied as a white to pale-yellow crystalline or powder material and is valued for its strong acidity and catalytic properties.

Chemical Information:

• Product Name: Phosphotungstic Acid

• Abbreviation: PTA

• Chemical Formula: H₃PW₁₂O₄₀·xH₂O

• CAS No.: 12501-23-4

• Molecular Weight: Varies with hydration state

Applications:

• Acid catalyst in chemical synthesis

• Heterogeneous catalysis

• Analytical and laboratory applications

• Oxidation and condensation reactions

• Pigments and specialty chemical formulations

• Research and advanced materials

Short Catalogue Description:

Phosphotungstic Acid (PTA) is a high-performance heteropoly acid offering strong acidity and excellent catalytic activity. It is widely used as an acid catalyst, analytical reagent, and specialty chemical in chemical synthesis, oxidation reactions, and advanced material applications.