Description

(2-Hydroxybenzyl)Triphenylphosphonium Bromide is a versatile organophosphorus 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 construction of carbon-carbon double bonds. This compound is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials industries seeking to synthesize complex olefins and fine chemicals.

Application

• Wittig Reaction Reagent: Serves as a crucial precursor for generating stabilized ylides to synthesize α,β-unsaturated carbonyl compounds and styrene derivatives.
• Pharmaceutical Intermediate Synthesis: Used in the construction of key olefinic intermediates for active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Manufacturing: Employed in the synthesis of complex molecules for crop protection agents and pesticides.
• Material Science Research: Facilitates the creation of specialized monomers and polymers with specific olefinic functionalities.
• Fine Chemical Production: Applied in the multistep synthesis of fragrances, flavors, and other high-value specialty chemicals.
• Academic & Industrial R&D: A fundamental tool in methodological development and exploratory chemistry within laboratory settings.

Basic Information

Product Name	(2-Hydroxybenzyl)Triphenylphosphonium Bromide
CAS No.	70340-04-4
Molecular Formula	C25H22BrOP
Molecular Weight	449.32 g/mol
Synonyms	2-Hydroxybenzyltriphenylphosphonium Bromide; (2-Hydroxybenzyl)triphenylphosphonium Bromide; Salicyltriphenylphosphonium Bromide; (o-Hydroxybenzyl)triphenylphosphonium Bromide; Triphenyl(2-hydroxybenzyl)phosphonium Bromide; Phosphonium, (2-hydroxybenzyl)triphenyl-, bromide (1:1); CAS 70340-04-4
EINECS	Contact for details

Quality Control

Our (2-Hydroxybenzyl)Triphenylphosphonium Bromide is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for synthetic applications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and consistency for your critical processes.

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). This product is hygroscopic (moisture-sensitive) and should be kept under an inert atmosphere or in a desiccator after opening to maintain stability and prevent decomposition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 2.0%
Heavy Metals	≤ 20 ppm

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