Description

Bis(3,5-Dibromophenyl)Diphenylsilane is a specialized organosilicon compound featuring multiple bromine substituents, which impart unique reactivity and properties. This compound is valued for its role as a key intermediate in the synthesis of advanced materials, particularly flame retardants and high-performance polymers. It serves the needs of R&D chemists and production specialists in the polymer, electronics, and specialty chemical manufacturing industries.

Application

• Flame Retardant Intermediate: A critical building block for synthesizing high-efficiency brominated flame retardants used in engineering plastics and textiles.
• Polymer Modification: Used to introduce bromine and silicon functionalities into polymer backbones to enhance thermal stability and flame resistance.
• Crosslinking Agent: Serves as a crosslinker in the production of heat-cured silicone resins with improved mechanical properties.
• Pharmaceutical & Agrochemical Synthesis: Acts as a versatile intermediate in the preparation of complex molecules for active ingredient development.
• Material Science Research: Employed in R&D for creating novel silicon-based monomers and additives with specific electronic or optical properties.
• Specialty Additive Production: Utilized in formulating specialty additives for coatings, adhesives, and sealants requiring enhanced fire safety.

Basic Information

Product Name	Bis(3,5-Dibromophenyl)Diphenylsilane
CAS No.	438546-40-8
Molecular Formula	C24H16Br4Si
Molecular Weight	659.01 g/mol
Synonyms	Diphenylbis(3,5-dibromophenyl)silane; Silane, diphenylbis(3,5-dibromophenyl)-; 1,1'-(Diphenylsilanediyl)bis(3,5-dibromobenzene); Bis(3,5-dibromophenyl)diphenylsilicon; 3,3',5,5'-Tetrabromodiphenylphenylsilane; DPS-DB (common abbreviation); Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our Bis(3,5-Dibromophenyl)Diphenylsilane is manufactured under strict process controls to ensure batch-to-batch consistency and high purity. Quality is verified through a comprehensive suite of analytical techniques including HPLC, GC, and NMR spectroscopy. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and bases. The compound may be light-sensitive; prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.