Description

Tetramethylammonium Bromide is a high-purity quaternary ammonium salt widely utilized as a versatile phase-transfer catalyst and chemical intermediate. Its significance lies in its ability to facilitate reactions between reagents in immiscible phases, enhancing yield and efficiency in organic synthesis. This compound is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty chemical sectors seeking reliable and consistent performance in critical processes.

Application

• Phase-Transfer Catalyst (PTC): Employed to accelerate reactions between ionic and organic reactants in two-phase systems, improving reaction rates and selectivity.
• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of various active pharmaceutical ingredients (APIs) and fine chemicals.
• Electrolyte Component: Used in electrochemical applications and certain types of batteries due to its ionic properties.
• Biochemical Research: Applied in molecular biology and protein chemistry as a precipitating agent or buffer component.
• Surfactant & Dispersant: Functions in formulations requiring cationic surface-active properties.
• Polymerization Catalyst: Acts as a catalyst or initiator in specific polymerization reactions for specialty polymers.

Basic Information

Product Name	Tetramethylammonium Bromide
CAS No.	64-20-0
Molecular Formula	C4H12BrN
Molecular Weight	154.05 g/mol
Synonyms	Methanaminium, N,N,N-trimethyl-, bromide (1:1); TMA Bromide; Tetramethylazanium Bromide; N,N,N-Trimethylmethanaminium Bromide; Ammonium, tetramethyl-, bromide; Me4NBr; Tetramethylammonium Bromide Hydrate (common form)
EINECS	200-581-2

Quality Control

Our Tetramethylammonium Bromide is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, identification, and impurity profiling, to ensure it meets the high standards required for industrial and research applications. Certificates of Analysis (COA) documenting purity, physical properties, and safety data are available upon request 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 product is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent caking and decomposition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1%
pH (5% solution)	5.0 - 7.0

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