Speciality Chemicals

Triphenylsilanol

  • CAS No.791-31-1
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity Triphenylsilanol (CAS 791-31-1) serves as a premium curing catalyst and end-capping agent for advanced polymer and PCB applications.

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Product Technical Details

Product Overview

Triphenylsilanol represents a critical organosilicon compound utilized extensively across high-performance chemical industries. Known for its exceptional thermal stability and reactive hydroxyl group, this substance functions as a versatile building block for specialized polymer modifications. Our manufacturing facility produces this material under strict quality control protocols, ensuring consistent molecular integrity suitable for demanding electronic and industrial applications. The compound is particularly valued for its ability to enhance dielectric properties and flame retardancy in advanced resin systems.

Technical Specifications

ParameterSpecification
CAS Number791-31-1
AppearanceWhite Crystal
Purity (Standard)98%
Purity (Class H)99.2%
Purity (E Grade)99.6%
Packaging25Kg Cardboard Drum
Shelf Life12 Months
Safety ClassificationNon-dangerous Goods

Industrial Applications

This silanol derivative plays a pivotal role in the synthesis of low dielectric constant materials essential for modern printed circuit board (PCB) manufacturing. When employed as a thermal cationic curing catalyst, it significantly improves the thermal properties and moisture resistance of the final resin matrix. Furthermore, it is extensively used in flame retardant aromatic polycarbonate blends, helping formulations meet stringent UL94 V-0 flammability standards without compromising mechanical strength.

Beyond resin synthesis, Triphenylsilanol acts as an effective end-capping agent for linear polysiloxanes, providing precise control over molecular weight during polymerization reactions. It also serves as a protective agent in complex organic synthesis pathways, preventing unwanted side reactions and ensuring higher yields. Its versatility extends to the military and pharmaceutical sectors where high-purity intermediates are required for specialized material development.

Quality and Storage

We offer multiple purity grades including Class H and E Grade to match specific performance benchmarks required by downstream formulators. Each batch is accompanied by a comprehensive Certificate of Analysis (COA) verifying purity levels and physical characteristics. To maintain optimal stability, the product should be stored in its original unopened container at temperatures below 25℃. Under these conditions, the shelf life extends to one year from the production date. Expired materials may still be usable subject to passing rigorous quality testing protocols. As a non-dangerous good, logistics and handling are streamlined for global distribution.