Silicotungstic Acid Hydrate (CAS 12027-38-2): Comprehensive User Guide
Table of Contents
1. Product Specifications & Comparative Analysis
| Parameter | Silicotungstic Acid Hydrate | Standard Tungstic Acid | Phosphotungstic Acid |
|---|---|---|---|
| CAS Number | 12027-38-2 | 7783-03-1 | 12067-99-1 |
| Molecular Formula | H4O40SiW12 | H2WO4 | H3PW12O40 |
| Purity (%) | ≥99.5 | ≥98.0 | ≥99.0 |
| Solubility | Water, Ethanol | Limited in H2O | Highly Water-Soluble |
2. Applications & Industrial Uses
2.1 Catalysis
Widely used as:
- Acid catalyst in esterification (e.g., biodiesel production)
- Oxidation catalyst in fine chemical synthesis
2.2 Analytical Chemistry
- Precipitation reagent for alkaloids
- Colorimetric detection of phosphates
3. Operational Guidelines
3.1 Storage Recommendations
- Store at 15-25°C in airtight containers
- Protect from direct sunlight
4. Case Studies
4.1 Petrochemical Refining
Challenge: Improve catalyst lifetime in alkylation
Solution: 0.5% silicotungstic acid additive
Result: 42% longer catalyst cycle
5. Client Success Stories
5.1 ChemPlus Ltd. (Germany)
Application: Pharmaceutical intermediate synthesis
Outcome: 18% yield improvement with 99.8% selectivity
5.2 ElectroMaterials Co. (USA)
Application: Conductive polymer production
Outcome: Achieved 103 S/cm conductivity
6. Request Customized Solutions
Contact our technical team for:
- Bulk pricing (25kg+ orders)
- Custom particle size distributions
- Technical documentation (SDS, COA)
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