Comprehensive Guide to Tetrabutyl Orthosilicate (CAS 4766-57-8)
Table of Contents
1. Product Overview & Specifications
Basic Parameters
| Parameter | Value |
|---|---|
| Chemical Name | Tetrabutyl orthosilicate |
| CAS Number | 4766-57-8 |
| Molecular Formula | C16H36O4Si |
| Appearance | Colorless to pale yellow liquid |
| Purity | ≥98% |
| Density | 0.92-0.96 g/cm³ |
Comparative Analysis
| Feature | Tetrabutyl Orthosilicate | Tetraethyl Orthosilicate |
|---|---|---|
| Hydrophobicity | Higher | Moderate |
| Reaction Rate | Slower hydrolysis | Faster hydrolysis |
| Thermal Stability | Up to 200°C | Up to 180°C |
2. Key Applications & Industrial Uses
Core Applications
- Coatings & Sealants: Crosslinking agent for weather-resistant coatings
- Electronics: Precursor for SiO2 thin films in semiconductors
- Adhesives: Modifier for silicone-based adhesives
- Pharmaceuticals: Intermediate in drug synthesis
3. Usage Guidelines & Best Practices
Handling Protocols
- Store in cool (15-25°C), dry conditions under nitrogen atmosphere
- Use anhydrous solvents for dilution
- Optimal reaction pH: 4.5-6.5
4. Real-World Case Studies
Case Study 1: High-Temperature Coatings
Client: European Automotive Manufacturer
Challenge: Develop coatings stable at 180°C+
Solution: 8% TBOS incorporation increased thermal resistance by 40%
Case Study 2: Semiconductor Manufacturing
Client: Asian Electronics Conglomerate
Challenge: Reduce dielectric layer defects
Solution: TBOS-derived films showed 0.2 defects/cm² vs industry 1.5/cm²
5. Inquiry & Technical Support
Contact our experts for:
– Custom formulations
– Bulk pricing (20+ ton discounts)
– SDS & technical documentation
Email: info@vivalr.com
Phone: (86) 15866781826
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