Description

Tributylhexylphosphonium Bromide is a high-purity quaternary phosphonium salt with the CAS number 105890-71-9. This compound serves as a versatile and highly effective phase-transfer catalyst and ionic liquid precursor, enabling critical reactions in controlled environments. It is essential for industries requiring advanced synthesis, including pharmaceuticals, specialty chemicals, and materials science, where its unique properties facilitate efficient and selective processes.

Application

• Phase-Transfer Catalyst (PTC): Widely used to accelerate reactions between reagents in immiscible phases, particularly in alkylation, esterification, and polymerization processes.
• Ionic Liquid Synthesis: Acts as a key precursor or component in the formulation of task-specific ionic liquids for green chemistry applications and specialized solvents.
• Pharmaceutical Intermediates: Facilitates the synthesis of complex organic molecules and active pharmaceutical ingredients (APIs) under mild conditions.
• Polymer & Resin Modification: Employed as a catalyst or additive in the production of specialty polymers, epoxy resins, and other advanced materials.
• Extraction & Separation Agent: Used in liquid-liquid extraction processes for the separation of metals or organic compounds.
• Surface Chemistry & Corrosion Inhibition: Functions as a surfactant or additive in formulations for coatings and corrosion inhibitors.

Basic Information

Product Name	Tributylhexylphosphonium Bromide
CAS No.	105890-71-9
Molecular Formula	C18H40BrP
Molecular Weight	367.39 g/mol
Synonyms	Hexyltributylphosphonium Bromide; Tributyl(hexyl)phosphonium Bromide; Phosphonium, tributylhexyl-, bromide; TBHPB; [CH3(CH2)5P(C4H9)3]Br; Butylhexylphosphonium Bromide (mixed isomer notation); Quaternary Phosphonium Salt
EINECS	Contact for details

Quality Control

Our Tributylhexylphosphonium Bromide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including assay, identity confirmation, and impurity profiling, to ensure it meets precise customer specifications and industry standards. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality and performance.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	< 10 ppm
Residual Solvents	Complies with ICH guidelines

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