Description

Tri-I-Butyl(Methyl)Phosphonium Tosylate is a high-purity, specialty phosphonium salt used as a versatile catalyst and reagent in advanced organic synthesis. This compound is valued for its efficacy in facilitating challenging chemical transformations, offering researchers and manufacturers a reliable tool for process development. It is primarily sought after by the pharmaceutical, agrochemical, and advanced materials industries for applications requiring precise and efficient catalysis.

Application

• As a phase-transfer catalyst (PTC) in alkylation, esterification, and other biphasic reactions.
• As a key reagent in the synthesis of ionic liquids for specialized electrochemical applications.
• As a catalyst precursor in the development of novel organometallic complexes.
• In pharmaceutical intermediate synthesis, particularly for constructing complex molecular architectures.
• For polymer modification and as an additive in the production of specialty resins and coatings.
• In agrochemical research for the development of new active ingredients and formulation aids.

Basic Information

Product Name	Tri-I-Butyl(Methyl)Phosphonium Tosylate
CAS No.	374683-35-9
Molecular Formula	C₂₀H₃₇O₃PS
Molecular Weight	388.53 g/mol
Synonyms	Tributyl(methyl)phosphonium p-toluenesulfonate; Methyltributylphosphonium tosylate; Tri-n-butyl(methyl)phosphonium tosylate; Phosphonium, tributylmethyl-, salt with 4-methylbenzenesulfonic acid (1:1); Methyltributylphosphonium p-toluenesulfonate; Tributylmethylphosphonium tosylate; CAS 374683-35-9
EINECS	Contact for details

Quality Control

Our Tri-I-Butyl(Methyl)Phosphonium Tosylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical characteristics is provided with every 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). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed and under an inert atmosphere if necessary to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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