Description

Tetrabutylammonium Bromide is a high-purity quaternary ammonium salt widely utilized as a versatile phase-transfer catalyst and electrolyte component. Its primary value lies in facilitating reactions between reagents in immiscible phases, significantly improving yields and reaction rates in organic synthesis. This compound is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty chemical sectors. Consistent quality and reliable supply are critical for process scalability and reproducibility in these demanding applications.

Application

• Phase-Transfer Catalyst (PTC): Enables nucleophilic substitution, oxidation, and alkylation reactions between aqueous and organic phases.
• Electrochemical Applications: Serves as a supporting electrolyte in electroanalysis, electroplating, and battery research.
• Pharmaceutical Synthesis: Used as an intermediate and catalyst in the production of active pharmaceutical ingredients (APIs).
• Polymer Chemistry: Acts as a catalyst in polymerization reactions and as a modifier for ion-exchange resins.
• Analytical Chemistry: Employed in ion-pair chromatography for the separation of ionic species.
• Organic Synthesis Reagent: Facilitates various transformations including esterifications, etherifications, and the generation of dichlorocarbene.

Basic Information

Product Name	Tetrabutylammonium Bromide
CAS No.	1643-19-2
Molecular Formula	C16H36BrN
Molecular Weight	322.37 g/mol
Synonyms	Tetra-n-butylammonium Bromide; TBAB; N,N,N-Tributyl-1-butanaminium Bromide; Butylammonium, tetra-, bromide; TBNB; 1-Butanaminium, N,N,N-tributyl-, bromide; Ammonium, tetrabutyl-, bromide
EINECS	216-699-2

Quality Control

Our Tetrabutylammonium Bromide is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets the required specifications for identity, purity, and impurity profiles. We provide full traceability and Certificates of Analysis (COA) are available for all shipments. Our quality commitment supports compliance with cGMP and ISO standards for industrial and research applications.

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); the container must be kept tightly sealed to prevent absorption of atmospheric moisture.

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.