Product Overview

Tetrakis(trimethylsiloxy)silane (CAS 3555-47-3), with molecular formula C₁₂H₃₆O₄Si₅, is a clear, odorless liquid with exceptional stability. Characterized by a viscosity of 2.5 m²/s at 25℃ and 99.9% purity, this silicone-based material offers unique properties for diverse industrial applications.

Key Technical Specifications

• Molecular Structure: Four trimethylsiloxy groups arranged in tetrahedral geometry around central silicon atom
• Thermal Properties: Boiling point 220℃, flash point 76℃, operates from -60℃ to 300℃ without decomposition
• Physical Characteristics: Surface tension 21.3 mN/m, density 0.87 g/cm³ (25℃)
• Safety Profile: Non-toxic (LD50>5000mg/kg), non-irritating (skin irritation index 0.32)

Industrial Applications

1. Personal Care Innovations
   • Provides silk-like texture in skincare formulations (3-5% concentration)
   • Enhances hair styling product performance with 40%+ hold improvement
   • Improves makeup wear time while maintaining breathability in foundation systems
2. Advanced Material Processing
   • Acts as processing aid in hot-melt adhesives, reducing viscosity by 30-40%
   • Serves as dielectric material in electronic encapsulation (volume resistivity >1×10¹⁵Ω·cm)
   • Enhances leather finishing durability (120,000+ flex cycles)
3. Textile Performance Enhancement
   • Improves fabric wrinkle recovery by 25% when combined with amino-functional silicones
   • Maintains color fastness (4-5 grade) in fiber treatment processes

Formulation Guidelines

Recommended formulation strategy combines 60-80% Tetrakis(trimethylsiloxy)silane with 5-10% isododecane and 2-5% polyether-modified silicone. This synergistic blend optimizes flow properties while maintaining compatibility with various cosmetic and industrial components.