Description

Pentyltriphenylphosphonium Bromide is a versatile quaternary phosphonium salt widely used as a phase-transfer catalyst and a key reagent in organic synthesis. Its primary value lies in facilitating reactions between reagents in immiscible phases, significantly improving yields and reaction rates under mild conditions. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require efficient synthesis of complex organic molecules.

Application

• Phase-Transfer Catalysis (PTC): A critical catalyst for alkylation, esterification, and other nucleophilic substitution reactions between aqueous and organic phases.
• Wittig Reaction Reagent: Used to generate pentylidene triphenylphosphorane for the synthesis of alkenes from carbonyl compounds.
• Pharmaceutical Intermediates: Employed in the synthesis of active pharmaceutical ingredients (APIs) and complex drug molecules.
• Agrochemical Synthesis: Facilitates the production of pesticides, herbicides, and plant growth regulators.
• Polymer Chemistry: Acts as a catalyst or initiator in the polymerization of specific monomers and in polymer modification reactions.
• Fine Chemical Production: Key for manufacturing flavors, fragrances, and other high-value specialty chemicals.
• Material Science Research: Used in the development of ionic liquids and advanced functional materials.

Basic Information

Product Name	Pentyltriphenylphosphonium Bromide
CAS No.	21406-61-1
Molecular Formula	C23H26BrP
Molecular Weight	413.33 g/mol
Synonyms	Amyltriphenylphosphonium Bromide; Pentyltriphenylphosphonium Bromide; n-Pentyltriphenylphosphonium Bromide; Triphenylpentylphosphonium Bromide; 1-Pentyltriphenylphosphonium Bromide; PPNPBr; Phosphonium, pentyltriphenyl-, bromide
EINECS	244-372-5

Quality Control

Our Pentyltriphenylphosphonium Bromide is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing all specifications is provided with each 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 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.