Tungstic acid

Tungstic acid

wolframic acid; tungstic(VI) acid; dihydrogen tungstate

CAS 7783-03-1

Chemical Formula H₂WO₄

Molecular Weight 249.85 g/mol

Tungstic acid, with the formula H₂WO₄, is an inorganic compound derived from tungsten. It's a white or yellowish powder, often described as having acidic properties, and is insoluble in water and most organic solvents. It's commonly used as a precursor in the synthesis of other tungsten compounds and catalysts, and also finds applications in the textile industry as a dye and mordant. 

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Industrial Uses

1. Performance Chemicals

  • Catalyst: Tungstic acid is a precursor for synthesizing heterogeneous catalysts, which are crucial in various industrial processes.  It's used in the production of sulfuric acid and the hydrodesulfurization of petroleum products.
  • Reagent: It acts as a reagent in analytical chemistry for the detection and determination of substances like phosphates and arsenates. It can precipitate and separate these compounds from solutions, facilitating their quantification.

2. Fabric Solutions 

  • Pigment and Dye Synthesis: Tungstic acid is utilized in the manufacturing of pigments and dyes, imparting a yellow color to materials like ceramics, textiles, and coatings. 
  • Mordant: Tungstic acid acts as a mordant, which means it helps dyes bind to the fabric fibers.

Specifications

Assay 99%
Appearance Yellow, fine crystalline powder or amorphous solid
Odor Odorless
Boiling Point Decomposes before boiling
Melting Point Not determined
Density 5.5 g/cm3
Solubility Insoluble in water; soluble in strong alkalis and concentrated acids
Viscosity Not applicable
Flash Point Not applicable

Hazard Symbols

Irritants/Sensitisers/Other Hazards

FAQs

1. What is the current price of Tungstic acid in India?
The price of Tungstic acid can vary based on factors such as purity, quantity, etc. For the most accurate and competitive pricing, please contact us at +91.6301 00 6301 directly for a customized quote tailored to your needs.

2. Where can I buy Tungstic acid in India?
You can purchase Tungstic acid from MULTICHEM, a leading exporter with a reputation for quality and reliability. We provide convenient options for bulk orders and direct shipments across global markets. For more details on how to place an order, please visit our website or contact our sales team.

3. What is the minimum order quantity (MOQ) for Tungstic acid? 
Our minimum order quantity (MOQ) for Tungstic acid is designed to cater to both small-scale and large-scale needs. The MOQ depends on the packing size of the product which could range from 25 kg to 250kg.

4. How can I ensure the quality of Tungstic acid supplied by Multichem?
We adhere to stringent quality control processes to ensure that our products meet the highest standards of purity and effectiveness. They undergo rigorous testing and quality checks to guarantee that they comply with industry specifications. We provide a Certificate of Analysis (CoA) with every shipment to ensure transparency and quality assurance.