Trimethylsilylacetylene CAS 1066-54-2: High-Purity Reagent for Advanced Synthesis
Table of Contents
1. Product Overview
Trimethylsilylacetylene (CAS 1066-54-2) is a specialized organosilicon compound with the molecular formula C5H10Si. Key specifications include:
- Appearance: Clear colorless liquid
- Purity: ≥98% (GC analysis)
- Molecular Weight: 114.26 g/mol
- Boiling Point: 52-54°C at 760 mmHg
- Density: 0.763 g/mL at 25°C
- Storage: 2-8°C under inert gas
2. Key Applications
Trimethylsilylacetylene is widely used in:
- Organic synthesis of silicon-containing compounds
- Pharmaceutical intermediates for drug development
- Preparation of advanced materials in nanotechnology
- Cross-coupling reactions (e.g., Sonogashira reactions)
- Protecting group strategies in complex syntheses
3. Usage Guidelines
Handling Procedures
- Use in well-ventilated fume hood with PPE (gloves, goggles)
- Purge reaction vessels with argon/nitrogen before use
- Store in amber glass bottles under inert atmosphere
Reaction Conditions
- Typical loading: 1.1-1.5 equivalents
- Compatible with THF, DMF, and dichloromethane
- Optimal temperature range: 0°C to 40°C
4. Practical Use Cases
Case 1: Pharmaceutical Intermediate Synthesis
Used in 3-step synthesis of Tepotinib precursors through palladium-catalyzed coupling, achieving 82% yield with ≥99% HPLC purity.
Case 2: Semiconductor Material Development
Key component in creating silicon-acetylene hybrid polymers for OLED manufacturing, demonstrating enhanced electron mobility (15% improvement vs. standard materials).
5. Contact Information
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