Description

(3-Bromopropyl)Trimethylammonium Bromide is a versatile quaternary ammonium salt with a reactive bromoalkyl chain. This compound is a critical bifunctional building block, serving as both an alkylating agent and a source of a permanent positive charge, which is essential for synthesizing cationic surfactants, phase-transfer catalysts, and functional polymers. It is particularly valuable for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries who require precise molecular modifications to impart solubility, bioactivity, or specific ionic characteristics to their products.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of cholinergic agents, neuromuscular blocking agents, and other bioactive molecules requiring quaternary ammonium functionalities.
• Cationic Surfactant Synthesis: Used to manufacture surfactants and fabric softeners, where the trimethylammonium group provides excellent conditioning and antistatic properties.
• Phase-Transfer Catalyst (PTC): Acts as a catalyst or a precursor for catalysts in organic synthesis, facilitating reactions between reagents in immiscible phases.
• Polymer Modification: Employed to quaternize polymers like chitosan or cellulose, creating cationic polyelectrolytes for water treatment, cosmetics, and drug delivery systems.
• Bioconjugation and Protein Labeling: Useful for introducing permanent cationic charges or alkylating specific sites on biomolecules for research and diagnostic applications.
• Agrochemical Synthesis: Intermediate in the production of certain herbicides and plant growth regulators that contain quaternary ammonium moieties.
• Research Chemical: Serves as a standard and reagent in academic and industrial R&D for studying alkylation reactions and ionic interactions.

Basic Information

Product Name	(3-Bromopropyl)Trimethylammonium Bromide
CAS No.	3779-42-8
Molecular Formula	C6H15Br2N
Molecular Weight	261.00 g/mol
Synonyms	Trimethyl(3-bromopropyl)ammonium Bromide; 3-Bromopropyltrimethylammonium Bromide; (3-Bromopropyl)trimethylazanium Bromide; N,N,N-Trimethyl-3-bromopropan-1-aminium Bromide; Bromide salt of (3-bromopropyl)trimethylammonium; 1-Bromo-3-(trimethylammonio)propane Bromide; TMAB; PTAB
EINECS	223-257-5

Quality Control

Our (3-Bromopropyl)Trimethylammonium Bromide is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and consistent quality.

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 prevent moisture absorption, which can affect product stability and handling.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Approx. 235-245°C (dec.)
Loss on Drying	≤ 1.0%
Heavy Metals (as Pb)	≤ 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.