Description

(4-Methylphenyl)-Triphenylphosphonium Bromide is a versatile organophosphonium salt widely used as a key reagent in organic synthesis. Its primary value lies in its role as a stable ylide precursor for Wittig olefination reactions, enabling the efficient synthesis of alkenes and complex organic molecules. This high-purity compound is essential for research and development laboratories, pharmaceutical intermediates manufacturing, and advanced material science applications where precise carbon-carbon double bond formation is required.

Application

• Wittig Reaction Reagent: Serves as a crucial precursor for generating stabilized ylides to synthesize substituted styrenes and other alkenes.
• Pharmaceutical Intermediate Synthesis: Used in the construction of complex drug molecules, particularly those containing olefinic linkages in agrochemicals and active pharmaceutical ingredients (APIs).
• Material Science Research: Employed in the development of novel organic materials, liquid crystals, and polymers via controlled olefination processes.
• Fine Chemical Production: Facilitates the synthesis of specialty chemicals and fragrances requiring specific alkene geometries.
• Academic & Industrial R&D: A fundamental tool in synthetic organic chemistry for method development and exploring new reaction pathways.
• Catalyst and Ligand Preparation: Can be utilized in the synthesis of phosphine-based ligands for transition metal catalysis.

Basic Information

Product Name	(4-Methylphenyl)-Triphenylphosphonium Bromide
CAS No.	6031-78-3
Molecular Formula	C25H22BrP
Molecular Weight	433.32 g/mol
Synonyms	p-Tolyltriphenylphosphonium Bromide; 4-Methylphenyltriphenylphosphonium Bromide; (p-Tolyl)triphenylphosphonium Bromide; Phosphonium, (4-methylphenyl)triphenyl-, bromide; P-Tolyltriphenylphosphonium Bromide; 1-Methyl-4-(triphenylphosphonio)benzene Bromide; Triphenyl(4-tolyl)phosphonium Bromide; (4-Methylphenyl)triphenylphosphonium Bromide
EINECS	Contact for details

Quality Control

Our (4-Methylphenyl)-Triphenylphosphonium Bromide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure high chemical purity and consistent performance. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee compliance with your research and production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed and under an inert atmosphere such as nitrogen or argon for long-term storage to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	258 - 262 °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.