Description

Choline Tosylate is an organic salt formed from choline and p-toluenesulfonic acid, widely recognized for its role as a versatile reagent and intermediate in advanced chemical synthesis. This compound is particularly valued for its ability to act as a phase-transfer catalyst and a source of the choline cation in specialized pharmaceutical and fine chemical manufacturing processes. It is essential for researchers and production chemists in the pharmaceutical, agrochemical, and specialty chemical industries seeking high-purity building blocks for complex molecule assembly.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring choline or quaternary ammonium functionalities.
• Phase-Transfer Catalyst (PTC): Facilitates reactions between reagents in immiscible phases, improving yield and efficiency in organic synthesis.
• Biochemical Research: Used in studies involving cholinergic systems, lipid metabolism, and as a precursor for labeled compounds in tracer studies.
• Agrochemical Synthesis: Serves as an intermediate in the production of certain herbicides and plant growth regulators.
• Ionic Liquid Precursor: Can be utilized in the development of specialized ionic liquids for green chemistry applications.
• Polymer Chemistry: Employed in the synthesis of functional polymers and materials requiring quaternary ammonium groups.

Basic Information

Product Name	Choline Tosylate
CAS No.	55357-38-5
Molecular Formula	C12H21NO4S
Molecular Weight	275.36 g/mol
Synonyms	Choline p-Toluenesulfonate; (2-Hydroxyethyl)trimethylammonium 4-methylbenzenesulfonate; 2-Hydroxy-N,N,N-trimethylethanaminium 4-methylbenzenesulfonate; Ethanaminium, 2-hydroxy-N,N,N-trimethyl-, salt with 4-methylbenzenesulfonic acid (1:1); Choline tosylate salt; Choline TsOH; Choline Tos
EINECS	Contact for details

Quality Control

Our Choline Tosylate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets the high-purity standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to guarantee traceability and batch-to-batch consistency.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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