Tetrabutylammonium Bromide丨CAS 1643-19-2

Product Introduction:

Catalog No.: SS128948
CAS No.: 1643-19-2
Assay: 99%min
Product Name: Tetrabutylammonium bromide
Molecular Formula: C16H36BrN
Molecular Weight: 322.37
Synonym(s): Tetrabutyl ammonium bromide; TBAB

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Technical Parameters

Description

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Specifications

Appearance	White to almost white crystalline powder
Assay	99% min
Free amine	0.3% max
Amine salt	0.5% max
Water	0.5% max

Transport Information

Parameter	Specification
UN Number
Class
Packing Group
H.S. Code	2923900090304
Stability & Reactivity	The product is chemically stable under standard ambient conditions.
Storage	Tightly closed. Store in a closed, dry, ventilated place
Condition to Avoid
Package

Manufacturing Information

Parameter	Specification
Capacity	1000MT/year
Frequency
Main Export Countries
Capacity/Batch
Experience
Stock

Applications

1. Phase Transfer Catalyst (PTC)
● Tetrabutylammonium bromide丨CAS 1643-19-2 is widely used as a phase transfer catalyst to facilitate reactions between reagents in different phases (e.g., organic and aqueous phases).
● Common in organic synthesis, it enables efficient transfer of ionic reactants into organic media, improving reaction rates and yields.
● Typical reactions include:
o Alkylations
o Nucleophilic substitutions
o Epoxidations
o Michael additions
2. Ionic Liquid Precursor
● Used as a starting material or additive in the preparation of ionic liquids.
● Contributes to green chemistry approaches by improving reaction efficiency and reducing hazardous solvents.
3. Electrochemical Applications
● Employed as a supporting electrolyte or ion source in electrochemical synthesis and batteries.
● Enhances ionic conductivity in non-aqueous solvents.
4. Phase Transfer in Polymer and Material Science
● Facilitates polymerization reactions and surface modifications where transfer of ionic species across phases is required.
● Used in the preparation of specialty polymers, surfactants, and nanomaterials.
5. Analytical Chemistry
● Used in extraction and separation techniques.
● Aids in liquid-liquid extraction by improving transfer of analytes.

Benefits

1. High Efficiency in Catalysis
● Significantly increases reaction rates by enabling ion transport across phase boundaries.
● Allows use of safer, milder solvents by avoiding the need for harsh conditions.
2. Versatility and Compatibility
● Stable and compatible with a wide range of solvents and reaction conditions.
● Can be used in both aqueous and organic phases without degradation.
3. Facilitates Green Chemistry
● Supports environmentally friendly processes by reducing the need for harmful organic solvents.
● Can often be recycled and reused in catalytic amounts.

Conclusion

Tetrabutylammonium bromide丨CAS 1643-19-2 is a valuable phase transfer catalyst and reagent in organic synthesis, electrochemistry, and materials science. Its ability to transport ions across phase boundaries enhances reaction efficiency, supporting greener and more versatile chemical processes.