Description

(4-Bromobenzyl)Triphenylphosphonium Chloride is a high-purity organophosphorus salt widely used as a key reagent in organic synthesis. Its primary value lies in its role as a stable and versatile Wittig reagent, enabling the efficient synthesis of alkenes from carbonyl compounds. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials industries, where it facilitates the construction of complex molecular architectures.

Application

• Wittig Olefination Reactions: As a crucial ylide precursor for the synthesis of substituted styrenes and other alkenes.
• Pharmaceutical Intermediate Synthesis: Used in the production of active pharmaceutical ingredients (APIs) and complex drug candidates.
• Agrochemical Manufacturing: Employed in the synthesis of herbicides, fungicides, and plant growth regulators.
• Liquid Crystal & OLED Material Production: A building block for creating advanced organic electronic materials.
• Polymer Chemistry: Used to introduce functional alkene groups into polymer chains for specialty plastics.
• Academic & R&D Laboratories: A staple reagent for methodological development and novel compound library synthesis.

Basic Information

Product Name	(4-Bromobenzyl)Triphenylphosphonium Chloride
CAS No.	3462-94-0
Molecular Formula	C25H21BrClP
Molecular Weight	467.76 g/mol
Synonyms	4-Bromobenzyltriphenylphosphonium Chloride; p-Bromobenzyltriphenylphosphonium Chloride; (p-Bromobenzyl)triphenylphosphonium Chloride; (4-Bromophenylmethyl)triphenylphosphonium Chloride; NSC 163082; (4-Bromobenzyl)triphenyl-λ5-phosphanuidyl Chloride; (4-Bromobenzyl)triphenylphosphonium Chloride (Wittig Reagent)
EINECS	Contact for details

Quality Control

Our (4-Bromobenzyl)Triphenylphosphonium Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including NMR, HPLC, and elemental analysis, to ensure high chemical purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

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). This product is hygroscopic (moisture-sensitive) and should be handled under dry conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	258 - 262 °C (dec.)
Loss on Drying	≤ 1.0%

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