Description

(4-Benzyloxybutyl)Triphenylphosphonium Bromide is a high-purity, organophosphorus salt widely utilized as a key reagent in advanced organic synthesis. Its primary value lies in its role as a stable Wittig reagent precursor, enabling the efficient construction of complex olefins and natural product intermediates. This compound is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries seeking reliable, high-quality building blocks for complex molecule assembly.

Application

• Wittig Olefination Reactions: Serves as a crucial precursor for generating stabilized ylides used in the synthesis of α,β-unsaturated esters and other electron-deficient alkenes.
• Pharmaceutical Intermediate Synthesis: Employed in the construction of key chiral fragments and complex side chains for active pharmaceutical ingredients (APIs).
• Agrochemical Product Development: Used in the synthesis of novel herbicide and pesticide molecules requiring specific alkene functionalities.
• Material Science Research: Acts as a building block for synthesizing functionalized monomers and polymers with tailored properties.
• Natural Product Synthesis: Facilitates the stereoselective formation of olefinic bonds in the total synthesis of complex natural compounds.
• Process Chemistry & Scale-up: Provides a reliable and scalable route for introducing the 4-benzyloxybutyl group into target molecules under controlled conditions.

Basic Information

Product Name	(4-Benzyloxybutyl)Triphenylphosphonium Bromide
CAS No.	85514-52-9
Molecular Formula	C29H30BrOP
Molecular Weight	505.43 g/mol
Synonyms	Triphenyl(4-phenylmethoxybutyl)phosphonium bromide; 4-(Benzyloxy)butyltriphenylphosphonium bromide; (4-(Benzyloxy)butyl)(triphenyl)phosphonium bromide; Phosphonium, (4-(benzyloxy)butyl)triphenyl-, bromide; P-(4-Benzyloxybutyl)triphenylphosphonium bromide
EINECS	Contact for details

Quality Control

Our (4-Benzyloxybutyl)Triphenylphosphonium Bromide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for synthetic applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and consistency for your critical research and development work.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 15-25°C. This material is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions to maintain stability and purity. Keep the container tightly sealed in a desiccator when not in use.

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	≤ 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.