Description

Tropylium CAS NO 26811-28-9 is a stable carbocation and an important organic synthesis intermediate. This compound matters for its unique aromaticity and cationic nature, making it a valuable reagent and building block in advanced chemical synthesis. It is primarily needed by researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries for developing new active ingredients and functional materials.

Application

• Organic Synthesis Intermediate: Acts as a key cationic building block for constructing complex molecular frameworks in pharmaceutical research.
• Catalysis Research: Used as a model compound and catalyst precursor in studies of carbocation chemistry and reaction mechanisms.
• Materials Science: Employed in the development of novel ionic liquids and conductive polymers.
• Analytical Chemistry: Serves as a reference standard and reagent in mass spectrometry and other analytical techniques.
• Agrochemical Development: Utilized in the synthesis of experimental plant protection agents and growth regulators.
• Dye & Pigment Synthesis: Functions as an intermediate in the production of specialized cationic dyes.

Basic Information

Product Name	Tropylium
CAS No.	26811-28-9
Molecular Formula	C7H7+
Molecular Weight	91.13 g/mol
Synonyms	Cycloheptatrienyl Cation; 1H-Cycloheptatrienylium; Tropylium Ion; Tropylium Cation; Tropylium Tetrafluoroborate (common salt form); Tropylium Bromide (common salt form); Cycloheptatrienylium
EINECS	Contact for details

Quality Control

Our Tropylium products undergo rigorous quality testing to ensure compliance with industry standards. We provide material of high chemical purity suitable for research and development applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Due to its hygroscopic (moisture-sensitive) nature, the material should be handled under an inert atmosphere (e.g., nitrogen or argon) and kept away from moisture to prevent decomposition. Recommended long-term storage temperature is 2-8°C.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%

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