Description

Triphenylsulfanium Iodide is an organosulfur salt featuring a positively charged sulfur center (sulfonium cation) paired with an iodide anion. This compound serves as a versatile and highly effective phase-transfer catalyst (PTC) and reagent in organic synthesis, facilitating reactions between reagents in immiscible phases. It is particularly valuable for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, where it enables efficient alkylation, oxidation, and other key transformations under mild conditions.

Application

• Phase-Transfer Catalysis (PTC): Enables reactions between ionic reagents in aqueous phases and organic substrates in organic solvents, improving yield and selectivity.
• Organic Synthesis Intermediate: Acts as a key reagent in the synthesis of complex molecules, including active pharmaceutical ingredients (APIs) and fine chemicals.
• Alkylation Reactions: Used as a catalyst or reagent for the alkylation of various nucleophiles such as phenols, thiols, and active methylene compounds.
• Polymer Chemistry: Employed in the synthesis and modification of polymers, potentially as an initiator or catalyst for specific polymerization mechanisms.
• Material Science Research: Investigated for use in the development of ionic liquids, electrolytes, or advanced functional materials.
• Photocatalysis & Photoredox Systems: May serve as a component in photoinitiator systems or electron-transfer agents due to its sulfonium cation structure.

Basic Information

Item	Details
Product Name	Triphenylsulfanium Iodide
CAS No.	3744-08-9
Molecular Formula	C18H15IS
Molecular Weight	414.28 g/mol
Synonyms	Triphenylsulfonium iodide; Sulfonium, triphenyl-, iodide (1:1); Iodotriphenylsulfonium; Triphenylsulfanium, iodide; TPS-I; Triphenylsulfenylium iodide; Triphenylsulfoniumiodid; Iodure de triphenylsulfonium (FR)
EINECS	223-136-7

Quality Control

Our Triphenylsulfanium Iodide is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure high purity and consistency. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment. We can support compliance requirements for various applications, including those under cGMP and ISO standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept sealed and away from direct light to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	150 - 154 °C
Loss on Drying	≤ 1.0 %
Heavy Metals (as Pb)	≤ 20 ppm

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