dihydroxydiphenylsilane cas 947-42-2

Chemical Name:Dihydroxydiphenylsilane
CAS No.:947-42-2
Molecular Formula: (C6H5)2Si(OH) 2
Molecular Weight:216.32
MolecularStructure:
Appearance:WhiteNeedleCrystal

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Dihydroxydiphenylsilane (CAS 947-42-2) Comprehensive Guide 2025

Table of Contents

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

>3687-40-9

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:
Email: info@vivalr.com
Tel: (86) 15866781826
Office Hours: Mon-Fri 08:00-17:00 GMT+8

Why Choose Us:
– ISO 9001:2025 certified production facilities
– 48-hour sample dispatch guarantee
– Dedicated regulatory compliance team for global shipments

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