Description

Tropylium Bromide CAS NO 5376-03-4 is a stable organic salt of the tropylium cation, a classic non-benzenoid aromatic ion. This compound serves as a versatile and highly reactive synthetic intermediate, prized for its unique electrophilic properties in organic synthesis. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors, enabling the construction of complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring the introduction of the tropylium moiety or subsequent functionalization.
• Organic Synthesis Reagent: Acts as a potent electrophile in Friedel-Crafts type alkylation reactions, cycloadditions, and as a precursor to other tropylium derivatives.
• Agrochemical Research: Used in the development and research of novel pesticides and herbicides where its aromatic cation can impart specific biological activity.
• Materials Science: Employed in the synthesis of organic conductors, dyes, and photoactive materials that leverage its stable cationic and aromatic character.
• Catalysis & Ligand Synthesis: Serves as a precursor for creating specialized ligands and catalysts used in asymmetric synthesis and polymerization processes.
• Academic & R&D: A fundamental reagent in university and industrial research laboratories for studying aromaticity, reaction mechanisms, and developing new synthetic methodologies.

Basic Information

Product Name	Tropylium Bromide
CAS No.	5376-03-4
Molecular Formula	C7H7Br
Molecular Weight	171.04 g/mol
Synonyms	Cycloheptatrienyl Bromide; 1-Bromocycloheptatriene; Tropylium Bromide Salt; Tropylium Bromide (C7H7Br); Bromocycloheptatriene; HBR-Tropylium; Tropylium Bromide, 98+%
EINECS	226-355-8

Quality Control

Our Tropylium Bromide is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing batch-specific results are provided with every shipment.

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). This product is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed and away from direct light to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	< 20 ppm

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