Description

Tributyl(4-Cyanobenzyl)Phosphonium Bromide is a high-purity quaternary phosphonium salt, a versatile chemical intermediate prized for its role in phase-transfer catalysis and as a precursor in organic synthesis. Its structure makes it a valuable reagent for facilitating reactions between compounds in different phases, improving yields and selectivity. This product is essential for R&D chemists and process engineers in the pharmaceutical, agrochemical, and advanced materials sectors seeking efficient synthetic pathways.

Application

• Phase-Transfer Catalyst (PTC): Used to accelerate reactions between reagents in immiscible phases, such as nucleophilic substitutions and alkylations.
• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Employed in the production of advanced pesticides, herbicides, and plant growth regulators.
• Polymer & Materials Science: Acts as a monomer or catalyst in the development of specialty polymers, ionic liquids, and functional materials.
• Organic Synthesis Reagent: Facilitates various transformations, including Wittig-type reactions and the preparation of ylides.
• Research & Development: A critical tool in academic and industrial laboratories for method development and novel compound synthesis.

Basic Information

Product Name	Tributyl(4-Cyanobenzyl)Phosphonium Bromide
CAS No.	140141-42-0
Molecular Formula	C₂₂H₃₇BrNP
Molecular Weight	426.42 g/mol
Synonyms	4-Cyanobenzyltributylphosphonium Bromide; Tributyl(4-Cyanophenylmethyl)Phosphonium Bromide; (4-Cyanobenzyl)tributylphosphonium Bromide; Phosphonium, tributyl(4-cyanobenzyl)-, bromide; Tributyl(p-cyanobenzyl)phosphonium Bromide; Tributyl-(4-cyanobenzyl)-phosphonium Bromide
EINECS	Contact for details

Quality Control

Our Tributyl(4-Cyanobenzyl)Phosphonium 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 exacting standards for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive); keep the container tightly sealed in a dry environment to prevent degradation.

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

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