Dihydroxydiphenylsilane (CAS 947-42-2) Comprehensive Guide 2025
Table of Contents
- 1. Product Overview & Specifications
- 2. Key Applications & Industrial Uses
- 3. Technical Comparison with Similar Compounds
- 4. Operational Guidelines & Safety Protocols
- 5. Industry Case Studies (2023-2025)
- 6. Procurement & Customization Solutions
1. Product Overview & Specifications
Chemical Name: Dihydroxydiphenylsilane
CAS No.: 947-42-2
Molecular Formula: C12H12O2Si
Molecular Weight: 216.31 g/mol
Appearance: White crystalline powder
Purity: ≥99% (HPLC Grade)
| Parameter | Specification |
|---|---|
| Melting Point | 135-138°C |
| Boiling Point | 320°C (dec.) |
| Solubility | Soluble in THF, DMF; Insoluble in water |
| Storage | 2-8°C in dry inert atmosphere |
2. Key Applications & Industrial Uses
A. Silicone Crosslinking Agent:
– Primary component in heat-cured silicone rubber production
– Enables 200-300% improvement in tensile strength vs. conventional agents
B. Polymer Modification:
– Enhances thermal stability of epoxy resins (up to 280°C)
– Reduces dielectric constant in electronic encapsulants by 15-20%
C. Pharmaceutical Intermediates:
– Critical precursor for HIV protease inhibitors (2024 clinical trials)
– Used in sustained-release drug delivery matrix systems
3. Technical Comparison with Similar Compounds
| Compound | CAS | Thermal Stability | Reactivity | Cost Efficiency |
|---|---|---|---|---|
| Dihydroxydiphenylsilane | 947-42-2 | ★★★★☆ | Controlled | $85/kg |
| Diphenyldichlorosilane | 80-10-4 | ★★★☆☆ | High | $72/kg |
| Diphenylsilanediol | ★★★★★ | Low | $110/kg |
4. Operational Guidelines & Safety Protocols
Handling Requirements:
– Use NIOSH-approved P100 respirators during bulk processing
– Maintain oxygen levels >19.5% in closed systems
Reaction Optimization:
– Optimal esterification conditions: 120°C, N2 atmosphere, 6:1 molar ratio
– Achieves 92-95% conversion rate in 4-6 hours
5. Industry Case Studies (2023-2025)
Case 1: Leading EV Battery Manufacturer (Q3 2024)
– Application: Thermal interface materials for battery packs
– Results: 18% improvement in heat dissipation efficiency
– Volume: 850kg/month contract
Case 2: Biomedical Device Startup (March 2025)
– Application: Bioactive coating for neural implants
– Outcome: FDA approval achieved 37 days faster than industry average
– Technical Support: 15 joint R&D sessions conducted
6. Procurement & Customization Solutions
Bulk Order Benefits:
– 50kg+ orders: 12% price discount + free technical consultation
– Custom particle size distributions available (5-200μm)
Contact our material scientists for application-specific formulations:
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