Tetraethylammonium Bromide/TEAB CAS 71-91-0

Product name:Tetraethylammonium bromide

Synonym:TEAB

CAS:71-91-0

MF:C8H20BrN

MW:210.16

EINECS:200-769-4

Melting point:285°C

Boiling point:1397°C

Density:1.397 g/cm3

Packaging:25 kg/drum

Solubility:Easy to dissolve in water, soluble in organic solvents such as ethanol, chloroform, and acetone, and slightly soluble in benzene.

Tetraethylammonium bromide(TEAB) is an important quaternary ammonium salt compound widely used in multiple fields:
Organic synthesis and catalysis:
As a phase transfer catalyst, Tetraethylammonium bromide can transfer reactants between organic and aqueous phases, significantly increasing reaction rate and yield, reducing reaction temperature and minimizing side reactions.
Surfactant:
Tetraethylammonium bromide has strong surface activity and can reduce the surface tension of liquids, making solvents easier to wet, penetrate, and diffuse. Therefore, it is often used as a surfactant. It can be used to prepare dyes, water-based paint coatings, detergents, emulsifiers, resins, polymers, adhesives, etc., which can improve their stability and adhesion. In addition, Tetraethylammonium bromide is widely used in industries such as textiles, papermaking, leather, plastics, and printing as a wetting agent, thickener, dispersant and antistatic agent.
Ionic liquids and functional materials
Tetraethylammonium bromide can be converted into ionic liquids for electrolyte preparation in the field of electrochemistry, enhancing the performance of batteries and supercapacitors. In the field of catalysis, it can improve catalytic efficiency as a solvent or carrier. In addition, it is also used to prepare conductive polymers, ion exchange membranes, and other materials to improve separation efficiency and functional performance. ‌
Flame retardant:
Tetraethylammonium bromide is an efficient flame retardant that can effectively reduce the combustion performance of combustible materials and improve their flame retardancy. It is often added to products such as polymers, rubber, textiles, wires and cables to improve their fire resistance and reduce the occurrence of fire accidents.
Antibacterial agents:
Tetraethylammonium bromide has strong antibacterial and bactericidal abilities, which can kill various bacteria, fungi, and viruses. Therefore, it is widely used in disinfectants, preservatives, and pharmaceutical products for sterilization, anti mold disinfection, and disease treatment, such as medical equipment, food processing equipment, household products, cosmetics, drugs, etc.
Plant growth regulators:
Tetraethylammonium bromide can also be used as a plant growth regulator. It can promote plant growth, flowering, and fruiting, regulate plant growth rhythms, and improve plant yield and quality. Therefore, it is often added to fertilizers, pesticides, and growth regulators in the agricultural sector to improve crop productivity.

Store in a well ventilated and tidy warehouse. Store separately from food ingredients, away from open flames and oxidants.