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Other Specialized Reagents

Trimethylsulfonium bromide

Category:

Other Specialized Reagents

CAS NO:

3084-53-5

Standard:

BP,USP,

Price Range:

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Main Sales Markets:

North America,Western Europe,Eastern Europe

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Shanghai Sunwise Chemical Co., Ltd.

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Basic Info

CAS Number

3084-53-5

Pharmacopoeia

BP,USP

Grade

Pharmaceutical Grade

Is Manufacturer

YES

Product Description

Pharmaceutical Raw Materials and Intermediates

AI Product Description

*The following content is generated by AI and is for reference only.

Trimethylsulfonium bromide is a significant organosulfur compound widely utilized in organic synthesis and chemical research. Its molecular formula is C3H9BrS, reflecting the presence of three methyl groups attached to a central sulfur atom, which carries a positive charge balanced by a bromide anion. The Compound is identified by CAS Registry Number 1642-78-6, a unique identifier essential for accurate cataloging and safety data retrieval across global chemical databases. This quaternary sulfonium salt typically appears as a white to off-white crystalline solid, characterized by high stability under standard storage conditions, though it should be handled with care due to its potential irritant properties. The primary application of trimethylsulfonium bromide lies in its role as a versatile reagent in methylation reactions. It serves as a potent source of the methyl group (CH3+), facilitating the conversion of various nucleophiles into their methylated derivatives. This property makes it indispensable in the synthesis of pharmaceutical intermediates, agrochemicals, and specialized polymers where precise methylation is required without the harsh conditions associated with traditional alkylating agents like methyl iodide. Furthermore, it is frequently employed in the preparation of ylide precursors for Wittig-type reactions, enabling the construction of carbon-carbon double bonds with high regioselectivity. In materials science, it acts as a precursor for conducting polymers and ionic liquids, contributing to advancements in energy storage devices such as batteries and supercapacitors. Safety protocols dictate that this compound be stored in a cool, dry, and well-ventilated area, away from strong oxidizing agents and moisture. While generally stable, it can release toxic hydrogen bromide gas upon decomposition at high temperatures. Personnel handling the substance must wear appropriate personal protective equipment, including gloves and eye protection, to prevent skin contact or inhalation. As the demand for efficient and selective methylation strategies grows within the fine chemical industry, trimethylsulfonium bromide remains a critical tool for chemists aiming to synthesize complex molecules with precision and efficiency. Its unique structural characteristics ensure continued relevance in both academic laboratories and industrial manufacturing processes worldwide.