Description

(E)-1,2-Dibromo-1,2-Bis-Trimethylsilanyl-Ethene CAS NO 18225-33-7 is a high-value organosilicon reagent featuring a dibromo-substituted ethene core protected by trimethylsilyl groups. This compound matters as a versatile and reactive synthon for constructing complex organic and organometallic frameworks, particularly in advanced materials and pharmaceutical research. It is primarily needed by R&D chemists and process development scientists in the fine chemical, agrochemical, and advanced material synthesis sectors.

Application

• Advanced Organic Synthesis: A key building block for cross-coupling reactions (e.g., Stille, Suzuki) to introduce vinyl or acetylene functionalities.
• Pharmaceutical Intermediates: Used in the synthesis of complex drug candidates and bioactive molecules requiring specific stereochemistry.
• Material Science Precursor: Serves as a monomer or precursor for silicon-containing polymers and advanced electronic materials.
• Agrochemical Development: Employed in creating novel active ingredients with specific structural motifs.
• Organometallic Chemistry: Acts as a ligand precursor or a substrate for the preparation of metal-organic complexes.
• Academic & Industrial R&D: A valuable tool for methodological development and exploring new synthetic pathways in laboratory settings.

Basic Information

Product Name	(E)-1,2-Dibromo-1,2-Bis-Trimethylsilanyl-Ethene
CAS No.	18225-33-7
Molecular Formula	C8H18Br2Si2
Molecular Weight	338.22 g/mol
Synonyms	(E)-1,2-Dibromo-1,2-bis(trimethylsilyl)ethene; 1,2-Dibromo-1,2-bis(trimethylsilyl)ethylene; trans-1,2-Dibromo-1,2-bis(trimethylsilyl)ethene; 1,2-Bis(trimethylsilyl)-1,2-dibromoethylene; Dibromo-bis(trimethylsilyl)ethylene; TMS-protected dibromoethylene
EINECS	Contact for details

Quality Control

Our (E)-1,2-Dibromo-1,2-Bis-Trimethylsilanyl-Ethene is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity for research and development applications. Each lot is characterized by modern analytical techniques including NMR, GC, and HPLC. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance requirements.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended storage temperature is 2-8°C for long-term stability. Keep away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (NMR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Isomeric Purity ((E)-isomer)	≥ 95.0%

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