Description

Tetramethylammonium p-Toluenesulfonate is a quaternary ammonium salt widely used as a phase-transfer catalyst and electrolyte component. Its high purity and consistent performance make it a critical reagent for driving efficient chemical reactions and enhancing process yields. This compound is essential for manufacturers and R&D facilities in the pharmaceutical, agrochemical, and specialty chemical industries.

Application

• Phase-Transfer Catalyst (PTC): Facilitates reactions between reagents in immiscible phases, crucial for alkylation, esterification, and ether synthesis.
• Electrolyte Additive: Used in electrochemical applications and advanced battery systems to modify conductivity and stability.
• Organic Synthesis Intermediate: Serves as a building block or catalyst in the production of fine chemicals and active pharmaceutical ingredients (APIs).
• Surfactant & Dispersant Research: Investigated for its ionic properties in formulation chemistry and material science.
• Analytical Chemistry: Employed as a standard or mobile phase modifier in chromatographic techniques like HPLC.
• Polymerization Processes: Acts as a catalyst or initiator in specific condensation or ionic polymerization reactions.

Basic Information

Product Name	Tetramethylammonium p-Toluenesulfonate
CAS No.	3983-91-3
Molecular Formula	C11H19NO3S
Molecular Weight	245.34 g/mol
Synonyms	Tetramethylammonium Tosylate; N,N,N-Trimethylmethanaminium 4-methylbenzenesulfonate; Tetramethylammonium 4-Methylbenzenesulfonate; TMA Tosylate; TMATS; Tetramethylammonium p-Tosylate; Tetramethylammonium Tosylate Salt; Ammonium, tetramethyl-, salt with p-toluenesulfonic acid (1:1)
EINECS	223-632-7

Quality Control

Our Tetramethylammonium p-Toluenesulfonate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including assay, impurity profiling, and identity confirmation, to ensure it meets high-purity standards suitable for research and industrial applications. A comprehensive Certificate of Analysis (COA) detailing purity, physical characteristics, and test results is provided with every shipment.

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 product is hygroscopic (moisture-sensitive); keep the container tightly sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Melting Point	285 - 295 °C (dec.)
Heavy Metals (as Pb)	≤ 20 ppm

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