Benzyltributylammonium chloride (BTBAC) is a highly effective quaternary ammonium salt widely used as a phase transfer catalyst in chemical synthesis. With its CAS number 23616-79-7 and molecular formula C19H34NCl, this compound plays a crucial role in facilitating reactions between organic and aqueous phases.

What is Benzyltributylammonium Chloride?

Benzyltributylammonium chloride (BTBAC) is a quaternary ammonium salt with the chemical formula C19H34NCl and a molecular weight of 311.95 g/mol. Its CAS number is 23616-79-7. This compound features a benzyl group attached to a tributylammonium core, making it a highly effective phase transfer catalyst (PTC).

As a quaternary ammonium compound, BTBAC possesses excellent surface-active properties due to its cationic structure. It is highly soluble in organic solvents while also being dispersible in water, making it ideal for applications requiring interaction between aqueous and organic phases.

What Are the Benefits?

Excellent Phase Transfer Capability

Benzyltributylammonium chloride is recognized as one of the most efficient phase transfer catalysts available. It facilitates reactions between organic and aqueous phases by transporting reactant ions across the phase boundary, significantly improving reaction rates and yields.

Versatile Catalytic Properties

This compound serves multiple catalytic functions:

• Nucleophilic substitution reactions: Highly effective in alkyl halide and ether synthesis
• Alkylation reactions: Supports C-, N-, O-, and S-alkylation processes
• Polymerization acceleration: Acts as a curing accelerator in polymer polymerization

Surfactant Applications

As a cationic surfactant, BTBAC is valuable for:

• Studying interactions with anionic dyes (indigo carmine, amaranth)
• Improving dispersion properties in various formulations
• Enhancing wetting and emulsification processes

Deep Eutectic Solvent (DES) Component

BTBAC functions as a hydrogen bond acceptor (HBA) in the synthesis of novel deep eutectic solvents when combined with common hydrogen bond donors, enabling green chemistry applications.

What Are the Uses?

Chemical Synthesis

In organic synthesis, benzyltributylammonium chloride is predominantly used as a phase transfer catalyst for:

• Production of fine chemicals
• Pharmaceutical manufacturing
• Polymer synthesis
• Nucleophilic substitution reactions

Metal Extraction

The compound plays a crucial role in:

• Extraction of metal ions from aqueous solutions
• Enhancing efficiency of metal recovery in mining
• Recycling operations in metallurgical industries

Biochemical Applications

Researchers leverage BTBAC’s properties for:

• Various biochemical assays
• Study of enzyme activities and interactions
• Drug development research

Safety and Handling

General Precautions

• Avoid inhalation of dust or mist
• Wear appropriate personal protective equipment (PPE)
• Use in well-ventilated areas
• Avoid contact with eyes, skin, and clothing

Storage

Store in a cool, dry, well-ventilated area away from incompatible materials. Keep container tightly closed when not in use.

Chemical Specifications

CAS Number	23616-79-7
Molecular Formula	C19H34NCl
Molecular Weight	311.95 g/mol
Purity	Typically ≥98%
Appearance	White to off-white crystalline solid

Frequently Asked Questions

What is benzyltributylammonium chloride used for?

Benzyltributylammonium chloride is primarily used as a phase transfer catalyst in organic synthesis, metal extraction processes, and various biochemical applications. It facilitates reactions between immiscible phases, improving efficiency and yields.

Is benzyltributylammonium chloride safe to handle?

When appropriate safety precautions are followed, including the use of PPE and proper ventilation, BTBAC can be handled safely. Always consult the Material Safety Data Sheet (MSD) before working with this chemical.

How does phase transfer catalysis work?

Phase transfer catalysts like BTBAC enable reactions between species located in different immiscible phases (typically aqueous and organic). The catalyst transports reactive ions from one phase into the other, facilitating the reaction that would otherwise be slow or impossible.

Why Choose Our Benzyltributylammonium Chloride?

• High purity: Our BTBAC meets or exceeds industry standards with ≥98% purity
• Consistent quality: Each batch is tested to ensure consistent performance
• Competitive pricing: Factory-direct pricing for bulk orders
• Reliable supply: Stable production capacity to meet your needs
• Technical support: Our team provides technical assistance and documentation

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