Phenyltrimethoxysilane (CAS 2996-92-1): Comprehensive User Guide
Table of Contents
1. Product Overview & Specifications
Basic Parameters
| Parameter | Value |
|---|---|
| CAS Number | 2996-92-1 |
| Molecular Formula | C9H14O3Si |
| Appearance | Colorless to pale yellow liquid |
| Purity | ≥98% |
Comparative Analysis
| Feature | Phenyltrimethoxysilane | Similar Silanes |
|---|---|---|
| Hydrolysis Rate | Moderate | Fast (e.g., MTMS) |
| Thermal Stability | Up to 250°C | 180-200°C (typical) |
2. Key Applications & Industrial Uses
Primary Functions
- Coupling Agent: Enhances polymer-filler bonding in rubber & plastics
- Surface Modifier: Improves water resistance in coatings & adhesives
- Crosslinking Agent: Used in silicone resin synthesis
3. Usage Guidelines & Best Practices
Recommended Protocols
- Storage: Keep in cool (10-25°C), dry environment under nitrogen atmosphere
- Handling: Use anhydrous conditions for optimal hydrolysis control
- Dosage: 0.5-2.0% wt% in most formulations
4. Real-World Case Studies
Case 1: Automotive Sealant Enhancement
Client: Leading German auto parts manufacturer
Challenge: Improve silicone sealant adhesion to aluminum substrates
Solution: 1.2% Phenyltrimethoxysilane additive
Result: 40% increase in peel strength (ASTM D1876)
Case 2: Electronic Encapsulation
Client: Japanese semiconductor company
Challenge: Reduce moisture absorption in epoxy compounds
Solution: Surface treatment with 0.8% solution
Result: Moisture resistance improved by 60% (JIS K 6259)
5. Technical Inquiry & Support
For formulation assistance or bulk pricing:
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- ISO 9001-certified production
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