Description

Phosphonium, (5-Methoxy-5-Oxopentyl)Triphenyl-, Bromide is a specialized quaternary phosphonium salt with a reactive ester functionality. This compound is valued as a versatile chemical intermediate and phase-transfer catalyst in advanced organic synthesis. It is primarily required by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for constructing complex molecules.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing active pharmaceutical ingredients (APIs) and novel drug candidates.
• Phase-Transfer Catalyst (PTC): Facilitates reactions between reagents in immiscible phases, enhancing reaction rates and yields in alkylation and other processes.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Polymer Chemistry: Serves as a monomer or catalyst in the synthesis of specialized polymers and functional materials.
• Organic Synthesis Reagent: Employed in Wittig-type reactions and for introducing specific functional groups into target molecules.
• Material Science Research: Utilized in developing ionic liquids, surfactants, and other advanced materials.

Basic Information

Product Name	Phosphonium, (5-Methoxy-5-Oxopentyl)Triphenyl-, Bromide
CAS No.	79837-79-9
Molecular Formula	C24H26BrO2P
Molecular Weight	457.34 g/mol
Synonyms	(5-Methoxy-5-oxopentyl)triphenylphosphonium bromide; Methyl 5-(triphenylphosphonio)pentanoate bromide; 5-Methoxy-5-oxopentyltriphenylphosphonium bromide; Triphenyl(5-methoxy-5-oxopentyl)phosphonium bromide; Methyl 5-(triphenylphosphoranylidene)pentanoate bromide (common name for ylide form); ω-Methoxycarbonylpentyltriphenylphosphonium bromide; Phenylphosphonium, (5-methoxy-5-oxopentyl)triphenyl-, bromide; CAS 79837-79-9
EINECS	Contact for details

Quality Control

Our Phosphonium, (5-Methoxy-5-Oxopentyl)Triphenyl-, Bromide is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and titration methods, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles 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 area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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