Description

1,2,3-Triphenylcyclopropeniumbromide CAS NO 4919-51-1 is a stable organic salt featuring a cyclopropenium cation core, widely recognized as a versatile precursor and reagent in advanced organic synthesis. Its primary value lies in its role as a key intermediate for constructing complex molecular architectures, particularly in materials science and pharmaceutical research. This compound is essential for R&D chemists and process development scientists working in fine chemical, agrochemical, and advanced material sectors.

Application

• Organic Synthesis Intermediate: A crucial building block for synthesizing novel cyclopropene derivatives and complex polycyclic compounds.
• Pharmaceutical Research: Used in the development of new active pharmaceutical ingredients (APIs) and as a scaffold in medicinal chemistry.
• Materials Science: Serves as a precursor for organic semiconductors, conductive polymers, and other functional organic materials.
• Ligand & Catalyst Development: Employed in the preparation of specialized ligands and organocatalysts for asymmetric synthesis.
• Agrochemical Intermediates: Used in the research and synthesis of new crop protection agents.
• Academic & Industrial R&D: A valuable reagent for methodological studies in carbocation and cyclopropene chemistry.

Basic Information

Product Name	1,2,3-Triphenylcyclopropeniumbromide
CAS No.	4919-51-1
Molecular Formula	C21H17Br
Molecular Weight	349.27 g/mol
Synonyms	Triphenylcyclopropenium Bromide; 1,2,3-Triphenylcyclopropenylium Bromide; Cyclopropenylium, 1,2,3-triphenyl-, bromide; Bromotriphenylcyclopropenium; 1,2,3-Triphenylcycloprop-1-en-1-ylium Bromide; Triphenylcyclopropenylium Bromide Salt; 4919-51-1; NSC 163066
EINECS	225-546-7

Quality Control

Our 1,2,3-Triphenylcyclopropeniumbromide is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, NMR, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	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.