Description

Trimethylammonium Bromide is a high-purity quaternary ammonium salt with significant utility in organic synthesis and pharmaceutical manufacturing. Its primary value lies in its role as a versatile methylating agent and phase-transfer catalyst, enabling critical chemical transformations. This compound is essential for research laboratories and industrial producers in the pharmaceutical, agrochemical, and specialty chemical sectors seeking reliable, high-quality intermediates.

Application

• As a key methylating agent in the synthesis of pharmaceuticals and fine chemicals.
• Utilized as a phase-transfer catalyst (PTC) to facilitate reactions between reagents in immiscible phases.
• Intermediate in the production of choline analogs and other biologically active quaternary ammonium compounds.
• Precursor for the synthesis of betaine-type compounds and surfactants.
• Used in organic synthesis research for the introduction of trimethylammonium groups.
• Potential application in the preparation of ionic liquids and electrolyte materials.
• Starting material for chemical derivatization in analytical chemistry.

Basic Information

Product Name	Trimethylammonium Bromide
CAS No.	2840-24-6
Molecular Formula	C₃H₁₀BrN
Molecular Weight	140.02 g/mol
Synonyms	Trimethylammonium bromide; Ethanaminium, N,N,N-trimethyl-, bromide (1:1); N,N,N-Trimethylethanaminium bromide; (CH₃)₃N⁺CH₂CH₃ Br⁻; TMA-Br; Trimethylethylammonium bromide; Ethyltrimethylammonium bromide; Ammonium, trimethylethyl-, bromide
EINECS	220-630-6

Quality Control

Our Trimethylammonium Bromide is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets high-purity standards suitable for synthesis and research applications. A detailed Certificate of Analysis (COA) documenting identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product quality and handling properties.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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