Intermediates

Diphenyldihydroxysilane

  • CAS No.947-42-2
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High purity Diphenyldihydroxysilane (CAS 947-42-2) designed for silicone rubber and resin synthesis. Offers excellent thermal stability and acts as a structural control agent.

Request Bulk Pricing

Product Technical Details

Product Overview

Diphenyldihydroxysilane, frequently recognized in the industry as Diphenylsilicondiol, stands as a pivotal intermediate within the organosilicon chemical sector. This colorless transparent liquid serves as a fundamental building block for the manufacturing of advanced silicone materials, including phenyl silicone oils, resins, and rubbers. Our facility produces this compound with stringent quality controls to ensure a minimum content of 98.0%, making it suitable for high-performance industrial applications where consistency and purity are paramount.

The incorporation of phenyl groups into silicone polymers via this intermediate imparts exceptional thermal stability, radiation resistance, and unique optical properties. These characteristics are essential for specialized applications ranging from high-temperature elastomers to optical waveguides where birefringence reduction is critical. As a trusted global manufacturer, we supply this material to support the synthesis of complex polymer networks that demand superior mechanical and thermal performance.

Key Specifications

ParameterSpecification
AppearanceColorless transparent liquid
Content (Purity)98.0% Min
Loss on Drying14.5-16.5%
Hydroxyl Content2.0%
CAS Number947-42-2

Industrial Applications

The versatility of Diphenyldihydroxysilane allows it to function effectively across multiple domains of polymer chemistry. Its primary role involves serving as a structural control agent for silicone rubber, significantly reducing structural phenomena and enhancing processing performance during manufacturing. This results in final products with improved flexibility and durability under stress.

Furthermore, this intermediate is instrumental in the synthesis of phenyl-modified silicone derivatives. Key applications include:

  • Production of phenyl silicone oil and phenyl silicone resin for high-temperature lubricants and coatings.
  • Manufacturing of phenyl silicone rubber with enhanced thermal oxidative stability.
  • Modification of polyurethane, epoxy, acrylic, and thermoplastic resins such as PP, PET, and PE.
  • Integration into sol-gel polymers for optical waveguides to reduce birefringence.

By modifying standard resins with this compound, manufacturers can endow new materials with superior resistance to aging, radiation, and extreme temperature fluctuations, thereby expanding the operational lifecycle of the final product.

Storage and Handling

To maintain the integrity and efficacy of Diphenyldihydroxysilane, proper storage protocols must be observed. The product should be kept in its original unopened container at temperatures of 25℃ or below. Under these conditions, the shelf life is established at one year from the date of production. Any usage of expired products is strictly contingent upon passing comprehensive quality testing to ensure safety and performance standards are met.

Standard packing is provided in 25Kg cartons, designed for secure global transportation. Please note that this substance falls under Dangerous Goods Classification 4.1. Handlers must adhere to all relevant safety data sheet (SDS) guidelines and local regulations regarding the storage and transport of flammable solids during logistics operations.