Description

Ethyltrimethylammonium Bromide is a high-purity quaternary ammonium salt (quat) with significant utility as a phase-transfer catalyst and a versatile chemical intermediate. Its value lies in its ability to facilitate reactions between reagents in immiscible phases, enhancing reaction rates and yields in organic synthesis. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking efficient synthetic pathways.

Application

• Phase-Transfer Catalysis (PTC): A key catalyst for alkylation, esterification, and other organic reactions where it mediates between aqueous and organic phases.
• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Surfactant & Disinfectant Research: Serves as a precursor or model compound in the development of cationic surfactants and antimicrobial agents.
• Chemical Synthesis: Employed as a methylation or ethylation agent in various nucleophilic substitution reactions.
• Material Science: Investigated for use in the preparation of ionic liquids and modified polymers.
• Analytical Chemistry: Can be used as an ion-pairing agent in chromatographic techniques like HPLC.

Basic Information

Product Name	Ethyltrimethylammonium Bromide
CAS No.	2650-77-3
Molecular Formula	C5H14BrN
Molecular Weight	168.08 g/mol
Synonyms	N,N,N-Trimethylethanaminium Bromide; Ethanaminium, N,N,N-trimethyl-, bromide; TMAE Bromide; Trimethylethylammonium Bromide; (2-Hydroxyethyl)trimethylammonium Bromide (common misnomer); ETMAB; UNII-8V3Y0C5W1Q
EINECS	220-188-7

Quality Control

Our Ethyltrimethylammonium 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 high-purity standards suitable for research and industrial applications. A Certificate of Analysis (COA) detailing all 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) and must be kept under dry conditions to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 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.