Description

[4-(Acetyloxy)Butyl](Triphenyl)Phosphonium Bromide is a specialized quaternary phosphonium salt with a reactive ester functionality. This compound matters as a versatile reagent and phase-transfer catalyst, enabling critical transformations in advanced organic synthesis. It is needed by research and development chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures. The product is supplied with a high level of purity and batch-to-batch consistency to ensure reliable experimental and process outcomes.

Application

• Wittig Reaction Reagent: Serves as a key precursor for generating ylides used in the stereoselective synthesis of alkenes, a fundamental reaction in medicinal chemistry and natural product synthesis.
• Phase-Transfer Catalyst (PTC): Facilitates reactions between reagents in immiscible phases (e.g., aqueous and organic), improving yields and reaction rates in alkylation, oxidation, and esterification processes.
• Polymerization Catalyst/Initiator: Used in the synthesis of specific polymers and resins, including epoxy curing and the production of specialty polyolefins.
• Intermediate for Functional Materials: Acts as a building block for creating ionic liquids, surfactants, and other functional materials with tailored properties.
• Pharmaceutical Intermediate: Employed in the multi-step synthesis of active pharmaceutical ingredients (APIs), particularly those requiring the introduction of specific alkene or ester-containing side chains.
• Agrochemical Synthesis: Utilized in the development and production of advanced herbicides, fungicides, and plant growth regulators.

Basic Information

Product Name	[4-(Acetyloxy)Butyl](Triphenyl)Phosphonium Bromide
CAS No.	6191-70-4
Molecular Formula	C24H26BrO2P
Molecular Weight	457.34 g/mol
Synonyms	(4-Acetoxybutyl)triphenylphosphonium bromide; 4-Acetoxybutyltriphenylphosphonium bromide; [4-(Acetyloxy)butyl]triphenylphosphonium bromide; (4-Acetyloxybutyl)triphenylphosphonium bromide; Acetoxybutyltriphenylphosphonium bromide; Phosphonium, [4-(acetyloxy)butyl]triphenyl-, bromide (1:1); EINECS 228-256-7
EINECS	228-256-7

Quality Control

Our [4-(Acetyloxy)Butyl](Triphenyl)Phosphonium Bromide is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and titration methods, to ensure high purity and conformity to specifications. Certificates of Analysis (COA) detailing all test results are provided with every shipment. We adhere to cGMP principles where applicable to support our customers in regulated industry segments.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled in a dry atmosphere to prevent degradation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (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.