Description

(α-Methylphenacyl)Triphenylphosphonium Bromide is a specialized organophosphorus salt widely used as a key reagent in organic synthesis. Its value lies in its role as a stabilized ylide precursor for the Wittig reaction, enabling the efficient synthesis of alkenes and other complex molecules. This high-purity intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-quality building blocks for complex chemical synthesis.

Application

• Wittig Olefination Reagent: A crucial precursor for generating stabilized ylides used in the synthesis of alkenes, including α,β-unsaturated carbonyl compounds.
• Pharmaceutical Intermediate: Employed in the synthesis of active pharmaceutical ingredients (APIs) and complex drug candidates requiring specific alkene geometries.
• Agrochemical Synthesis: Used in the production of advanced crop protection agents and pesticides where specific olefin structures are required.
• Material Science Research: Serves as a building block for creating novel polymers, liquid crystals, and organic electronic materials with tailored properties.
• Fine Chemical Production: Applied in the multistep synthesis of flavors, fragrances, and other high-value specialty chemicals.
• Academic & R&D Laboratories: A standard reagent for methodological development and exploratory organic synthesis in research institutions.

Basic Information

Product Name	(α-Methylphenacyl)Triphenylphosphonium Bromide
CAS No.	2689-63-6
Molecular Formula	C27H24BrOP
Molecular Weight	475.36 g/mol
Synonyms	2-Oxo-2-phenylethylidenemethylenetriphenylphosphorane Bromide; (2-Oxo-1-phenylethyl)triphenylphosphonium Bromide; (α-Methylphenacyl)triphenylphosphonium Bromide; Phenacylidenemethylenetriphenylphosphorane Bromide; Triphenyl(2-oxo-1-phenylethyl)phosphonium Bromide; 1-Phenacyl-1-triphenylphosphonium Bromide; Wittig Reagent Salt
EINECS	220-250-4

Quality Control

Every batch of (α-Methylphenacyl)Triphenylphosphonium Bromide is manufactured under strict quality management protocols. Our products undergo rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure high purity and batch-to-batch consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory compliance 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). This compound is hygroscopic (moisture-sensitive) and should be kept under an inert atmosphere for long-term storage to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	208°C - 212°C
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.