Silicotungstic Acid

Product Description

Silicotungstic Acid (H₄[SiW₁₂O₄₀]·xH₂O) is a high-purity heteropoly acid composed of tungsten, silicon, and oxygen. It appears as a yellowish crystalline powder and is well known for its strong acidity, high stability, and excellent catalytic and precipitation properties.

This compound is widely used in analytical chemistry, catalysis, electrochemistry, and materials science. In laboratory applications, Silicotungstic Acid serves as a precipitating reagent for alkaloids, proteins, and nitrogenous compounds. Industrially, it functions as a heterogeneous catalyst in oxidation and polymerization reactions.

Key Features

• Chemical Name: Silicotungstic Acid
  • Chemical Formula: H₄[SiW₁₂O₄₀]·xH₂O
  • CAS Number: 12027-43-9
  • Molecular Weight: ~2,880 g/mol (anhydrous basis)
  • Appearance: Yellowish crystalline or powder form
  • Solubility: Soluble in water and ethanol; insoluble in ether
  • pH (1% solution): <2 (strongly acidic)
  • Purity: ≥99% (Analytical Reagent Grade)
  • Stability: Highly stable under normal laboratory conditions

Applications

Laboratory & Research

• Used as a precipitating agent for alkaloids, proteins, and amino compounds.
  • Acts as a reagent in gravimetric and colorimetric analysis.
  • Employed as a heteropoly acid catalyst in various organic and inorganic reactions.
  • Applied in electrochemistry and material science research for the synthesis of functional materials.
  • Useful in analytical laboratories for compound identification and qualitative testing.

Industrial Uses

• Serves as an acid catalyst in oxidation, esterification, polymerization, and hydration reactions.
  • Used in chemical synthesis, petrochemical processing, and fine chemical industries.
  • Applied in electronic and coating industries for its stability and conductivity.
  • Utilized in pharmaceutical and food analysis as a reagent for nitrogen compound detection.

Safety & Handling

• Hazard: Corrosive; may cause burns upon contact with skin or eyes. Avoid inhalation or ingestion.
  • Precautions: Handle in a fume hood with gloves, protective goggles, and appropriate lab clothing.
  • Storage: Store in a cool, dry place in tightly closed containers, away from moisture and incompatible materials.
  • Disposal: Dispose of in accordance with local environmental and chemical waste regulations.

Why Choose Silicotungstic Acid from M/S Bright Scientific Co.?

• Guaranteed Analytical Reagent Grade Purity for laboratory and industrial applications.
  • Tested and verified quality ensuring consistent analytical performance.
  • Competitive Pricing with flexible packaging options.
  • Trusted Supplier for academic, pharmaceutical, and research institutions.
  • Nationwide Delivery – fast, reliable, and secure service across Bangladesh.

Price in Bangladesh

Available in 25 g, 50 g, 100 g, 250 g, and bulk quantities at competitive market rates.
Special discounts available for universities, research centers, and industrial users.

Contact Information

M/S Bright Scientific Co.
📞 Phone: 01711285976