Description

Cyclopentyltriphenylphosphonium Bromide is a high-purity, versatile organophosphorus salt widely utilized as a key reagent in advanced organic synthesis. Its primary value lies in its role as a stable ylide precursor for the Wittig reaction, enabling the efficient construction of carbon-carbon double bonds to form alkenes and other complex molecular frameworks. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials sectors, where precise and reliable building blocks are critical for developing new active ingredients and functional molecules.

Application

• Wittig Olefination Reagent: A fundamental reagent for the synthesis of alkenes from carbonyl compounds, crucial for constructing complex organic molecules in medicinal chemistry.
• Pharmaceutical Intermediate Synthesis: Used in the production of key intermediates for active pharmaceutical ingredients (APIs), including steroids and other bioactive compounds.
• Agrochemical Manufacturing: Employed in the synthesis of advanced crop protection agents and plant growth regulators.
• Material Science Research: Serves as a building block for creating novel polymers, liquid crystals, and organic electronic materials.
• Academic & Industrial R&D: A staple reagent in research laboratories for method development and exploring new synthetic pathways.
• Fine Chemical Production: Integral to the multi-step synthesis of specialty chemicals, flavors, and fragrances.

Basic Information

Product Name	Cyclopentyltriphenylphosphonium Bromide
CAS No.	7333-52-0
Molecular Formula	C23H24BrP
Molecular Weight	411.32 g/mol
Synonyms	Triphenyl(cyclopentyl)phosphonium bromide; Cyclopentyltriphenylphosphonium bromide; Phosphonium, triphenylcyclopentyl-, bromide; Cyclopentyl(triphenyl)phosphonium bromide; (Cyclopentyl)triphenylphosphonium bromide; Cyclopentyl-triphenyl-phosphonium bromide; CPTPPB
EINECS	Contact for details

Quality Control

Our Cyclopentyltriphenylphosphonium Bromide is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay determination and identity confirmation via spectroscopic methods. Certificates of Analysis (COA) documenting purity, appearance, and other critical parameters are provided with every shipment to support your quality assurance and regulatory needs.

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 should be handled in a dry environment to prevent degradation.

Specification

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