Tetraethylammonium bromide CAS 71-91-0

Appearance: White to almost white solid
Assay: ≥99.0%
Package: 25kg  Paper barrel
Capacity: 2500MT/year
Sample: Available

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Tetraethylammonium Bromide (CAS 71-91-0): Comprehensive User Guide

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:

Parameter Specification
Chemical Name Tetraethylammonium bromide
CAS Number 71-91-0
Molecular Formula C8H20BrN
Molecular Weight 210.16 g/mol
Appearance White crystalline powder
Purity ≥98%
Solubility Highly soluble in water, ethanol, and acetone

Comparative Analysis

Parameter TEAB Tetrabutylammonium bromide
Molecular Weight 210.16 322.37
Solubility in Water High Moderate
Common Applications Phase-transfer catalysis, ion channel studies Organic synthesis, surfactants

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.

4. Request a Quote

Contact us for premium-grade TEAB (CAS 71-91-0):

  • Email: info@vivalr.com
  • Phone: (86) 15866781826

Why choose us?

  • ISO-certified production
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  • Technical support team

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