Phenyl Trimethicone (CAS 73559-47-4) Ultimate Guide
Table of Contents
1. Product Specifications & Technical Parameters
| Parameter | Phenyl Trimethicone | Dimethicone | Cyclomethicone |
|---|---|---|---|
| CAS Number | 73559-47-4 | 9006-65-9 | 69430-24-6 |
| Refractive Index | 1.46-1.48 | 1.403-1.406 | 1.387-1.404 |
| Viscosity (25°C) | 10-100 cSt | 50-100,000 cSt | 1.5-5 cSt |
2. Industrial & Cosmetic Applications
- Hair Care: Thermal protection in styling products (220°C+ stability)
- Skincare: Enhances SPF efficacy in sunscreens by 15-20%
- Cosmetics: Reduces pigment settling in foundations by 30-40%
3. Formulation Recommendations
- Optimal dosage: 0.5-5% in leave-on products
- Compatibility: Stable in pH 3-9 formulations
- Processing: Add during cooling phase (<60°C)
4. Verified User Cases
Case 1: Professional Hair Care Brand (France)
- Challenge: Reduce heat damage from 230°C styling tools
- Solution: 3% Phenyl Trimethicone in thermal spray
- Result: 67% reduction in protein loss after 10 uses
Case 2: Luxury Skincare Line (USA)
- Challenge: Prevent SPF separation in reef-safe formulations
- Solution: 1.8% Phenyl Trimethicone emulsion
- Result: 12-month stability at 40°C/75% RH
5. Certified Global Suppliers
| Supplier | Location | Purity | MOQ |
|---|---|---|---|
| Dow Corning | USA | 99.5% | 200kg |
| Shin-Etsu | Japan | 99.8% | 500kg |
6. Technical & Commercial Support
Contact our silicone specialists:
- Email: info@vivalr.com
- Tel: (86) 15866781826
Request:
- Free technical dossier
- Customized formulation support
- Competitive bulk pricing (20MT+/yr)

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