Description

Triethylsulfonium is a versatile organosulfur compound featuring a positively charged sulfur center. This unique structure makes it a valuable reagent and intermediate in advanced organic synthesis and materials science. It is particularly sought after by researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for applications requiring sulfonium-based chemistry.

Application

• Alkylating Agent: Used in organic synthesis to transfer ethyl groups in methylation and ethylation reactions.
• Phase-Transfer Catalyst (PTC): Facilitates reactions between reagents in immiscible phases, particularly in industrial-scale synthesis.
• Chemical Intermediate: Serves as a key precursor for synthesizing more complex sulfonium salts, sulfoxides, and other organosulfur compounds.
• Polymer Chemistry: Employed in the synthesis and modification of polymers, including as a potential initiator or catalyst.
• Electrolyte Research: Investigated for use in advanced battery systems and electrochemical applications.
• Ligand and Coordination Chemistry: Used to prepare ligands for metal complexes in catalysis.
• Agrochemical Synthesis: An intermediate in the production of certain herbicides, fungicides, and plant growth regulators.
• Pharmaceutical Research: Utilized in the development of novel drug candidates, especially those containing sulfur motifs.

Basic Information

Product Name	Triethylsulfonium
CAS No.	3378-18-5
Molecular Formula	C6H15S+ (typically as a salt, e.g., iodide, bromide, tetrafluoroborate)
Molecular Weight	119.25 g/mol (for the cation)
Synonyms	Triethylsulfonium ion; Sulfonium, triethyl-; Triethylsulfonium cation; Et3S+; Triethylsulfonium halide (general); Triethylsulfonium iodide; Triethylsulfonium bromide; Triethylsulfonium tetrafluoroborate
EINECS	222-173-2

Quality Control

Our Triethylsulfonium products are manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including NMR, HPLC, and titration methods, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee compliance with your research and production specifications.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic nature, store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry place. Recommended storage temperature is 2-8°C for long-term stability. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline solid or powder
Identification (NMR)	Conforms to structure
Assay (HPLC/Titration)	≥ 95.0% - 99.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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