Description

Phenethyltriphenylphosphonium Bromide is a versatile organophosphorus salt widely utilized as a key reagent in organic synthesis. Its primary value lies in its role as a stable ylide precursor for the Wittig reaction, enabling the efficient synthesis of alkenes from carbonyl compounds. This high-purity chemical is essential for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials sectors, where precise olefination reactions are critical for building complex molecular architectures.

Application

• Wittig Olefination Reagent: A fundamental reagent for the synthesis of alkenes, styrenes, and other unsaturated compounds from aldehydes and ketones.
• Pharmaceutical Intermediate Synthesis: Used in the construction of key olefinic intermediates for active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Production: Employed in the synthesis of specific alkene-based intermediates for herbicides, fungicides, and plant growth regulators.
• Liquid Crystal & OLED Material Research: Serves as a building block in the synthesis of conjugated organic molecules for electronic and photonic applications.
• Polymer Chemistry: Acts as a monomer or chain-transfer agent in the development of specialized polymers with unique properties.
• Catalysis & Ligand Synthesis: Used to prepare phosphine-based ligands for transition metal catalysis.
• Academic & R&D Laboratories: A staple reagent for methodological development and exploratory organic synthesis in research institutions.
• Fine Chemical Manufacturing: Integral to the multi-step synthesis of complex, high-value specialty chemicals and flavors/fragrances.

Basic Information

Product Name	Phenethyltriphenylphosphonium Bromide
CAS No.	53213-26-6
Molecular Formula	C26H24BrP
Molecular Weight	447.35 g/mol
Synonyms	(2-Phenylethyl)triphenylphosphonium bromide; Phenethyltriphenylphosphonium bromide; (2-Phenylethyl)triphenylphosphonium bromide; Phenyl(2-phenylethyl)triphenylphosphonium bromide; Benzeneethanaminium, N,N,N-triphenyl-, bromide (9CI); Phosphonium, (2-phenylethyl)triphenyl-, bromide; EINECS 258-402-8; PPh3EtBr (common abbreviation)
EINECS	258-402-8

Quality Control

Our Phenethyltriphenylphosphonium Bromide is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR for structural confirmation, and KF titration for moisture content, to ensure it meets the high standards required for synthetic applications. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and consistent performance.

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 product is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions to maintain stability and purity. Keep away from strong oxidizing agents.

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%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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