Description

(3,5-Dimethylbenzyl)Triphenylphosphonium Bromide is a high-purity, organophosphorus salt widely used as a key reagent in advanced organic synthesis. Its primary value lies in its role as a versatile ylide precursor for Wittig olefination reactions, enabling the efficient construction of carbon-carbon double bonds. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and specialty chemical industries developing novel active ingredients and complex organic molecules.

Application

• Wittig Reaction Reagent: Serves as a crucial precursor for generating stabilized ylides to synthesize alkenes, particularly those with electron-withdrawing substituents.
• Pharmaceutical Intermediate Synthesis: Used in the construction of complex molecular scaffolds for active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Manufacturing: Employed in the synthesis of advanced intermediates for herbicides, fungicides, and plant growth regulators.
• Material Science Research: Facilitates the synthesis of organic ligands, monomers, and functional materials for electronic and optical applications.
• Academic & Process R&D: A valuable tool for methodology development and scale-up studies in organic chemistry laboratories.
• Fine Chemical Production: Key for manufacturing specialty chemicals, flavors, and fragrances requiring specific alkene geometries.

Basic Information

Item	Detail
Product Name	(3,5-Dimethylbenzyl)Triphenylphosphonium Bromide
CAS No.	52988-36-0
Molecular Formula	C27H26BrP
Molecular Weight	461.37 g/mol
Synonyms	3,5-Dimethylbenzyltriphenylphosphonium Bromide; (3,5-Dimethylbenzyl)triphenylphosphanium Bromide; (3,5-Xylylmethyl)triphenylphosphonium Bromide; Triphenyl(3,5-dimethylbenzyl)phosphonium Bromide; Phosphonium, (3,5-dimethylbenzyl)triphenyl-, bromide (1:1); 52988-36-0; (3,5-Dimethylbenzyl)-triphenyl-phosphonium Bromide
EINECS	Contact for details

Quality Control

Our (3,5-Dimethylbenzyl)Triphenylphosphonium Bromide is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR for structural confirmation, and loss on drying analysis to ensure it meets stringent specifications for synthetic applications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and consistency.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed in a dry environment to prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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