1. Product Overview & Specifications

Tetraethylammonium bromide (TEAB) (CAS 71-91-0) is a quaternary ammonium salt widely used in organic synthesis, electrochemical research, and pharmaceutical manufacturing. Below are its key specifications:

Comparative Analysis

2. Key Applications & Use Cases

2.1 Organic Synthesis

TEAB serves as a phase-transfer catalyst (PTC) in nucleophilic substitution reactions, enhancing reaction rates in biphasic systems. Example reactions include:

• Alkylation of carboxylic acids
• Synthesis of crown ethers

2.2 Electrochemical Research

Used as an electrolyte additive in non-aqueous batteries and supercapacitors to improve ionic conductivity.

2.3 Pharmaceutical Manufacturing

Critical intermediate in producing anticholinergic drugs and ion channel modulators.

3. Industry Case Studies

3.1 ABC Pharmaceuticals (Germany)

Challenge: Low yield in rivastigmine intermediate synthesis.
Solution: TEAB increased reaction efficiency by 40% as a PTC.
Result: Reduced production costs by $220,000 annually.

3.2 DEF Materials Science Lab (USA)

Challenge: Unstable conductivity in lithium-ion battery prototypes.
Solution: 0.5% TEAB electrolyte additive implementation.
Result: Achieved consistent 15% conductivity improvement.

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