Description

(Cycloheptyl)-Triphenylphosphonium Bromide is a high-purity organophosphorus compound, specifically a phosphonium salt, widely used as a key reagent in advanced organic synthesis. Its primary value lies in its role as a versatile ylide precursor for Wittig olefination reactions, enabling the efficient construction of complex alkene frameworks. This product is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-quality building blocks for fine chemical and active pharmaceutical ingredient (API) synthesis.

Application

• Wittig Reaction Reagent: Serves as a crucial precursor for generating stabilized ylides to synthesize substituted alkenes, a fundamental transformation in medicinal chemistry.
• Pharmaceutical Intermediate Synthesis: Used in the construction of complex molecular scaffolds for potential drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Research: Employed in the synthesis of novel compounds for crop protection and pesticide development.
• Material Science: Acts as a building block for creating specialized polymers and organic electronic materials.
• Academic & Industrial R&D: A staple reagent in research laboratories for methodology development and the synthesis of novel organic molecules.
• Fine Chemical Production: Utilized in custom synthesis and contract manufacturing for high-value, low-volume specialty chemicals.

Basic Information

Product Name	(Cycloheptyl)-Triphenylphosphonium Bromide
CAS No.	22836-06-2
Molecular Formula	C25H28BrP
Molecular Weight	439.37 g/mol
Synonyms	Cycloheptyltriphenylphosphonium Bromide; (Cycloheptyl)triphenylphosphonium Bromide; Triphenyl(cycloheptyl)phosphonium Bromide; Phosphonium, triphenylcycloheptyl-, bromide; Cycloheptyl(triphenyl)phosphonium Bromide; Cycloheptyl-TPP Bromide
EINECS	Contact for details

Quality Control

Our (Cycloheptyl)-Triphenylphosphonium Bromide is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all relevant specifications. Our quality systems are designed to meet the stringent requirements of research and development as well as cGMP standards for pharmaceutical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and should be handled under dry conditions to prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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