home > Pharmaceuticals > Tetra Butyl Ammonium Bromide

Tetra Butyl Ammonium Bromide

Phase Transfer Catalyst | CAS : 1643-19-2

Tetra Butyl Ammonium Bromide


Tetrabutylammonium bromide (TBAB) is a quaternary ammonium salt with a bromide commonly used as a phase transfer catalyst. It is used to prepare many other tetrabutylammonium salts by salt metathesis reactions. The anhydrous form is a white solid.

Tetra Butyl Ammonium Bromide


 AppearanceWhite Crystalline Hydroscopic powder

A) It gives characteristic test of Bromide

B) It Gives positive test with Bromo Phenol blue solution

 SolubilitySoluble in Water
 Moisture ContentNMT 0.5 %
 Melting Point100°C – 104°C
 Free Amine SaltNMT 0.5 %
 Free AmineNMT 0.5 %
 Sulphated AshNMT 0.5 %
 Assay (by Titrimetry)NLT 98.0%


Tetrabutylammonium bromide (TBAB) might be utilized as a part of the liquid condition in the below procedures:

·        Synthesis of isophthalic acid

·        Synthesis of alkyl-secondary pyrroles without impetus and natural solvent

·        Synthesis of dithioacetals against acetals through transthioacetalisation in a dissolvable free condition

·        Synthesis of polyamides through the polymerization of diisocyanates as well as terephthalic corrosive

·        Enzyme the expansion of thiols to bound alkenes

·        Poly (vinyl chloride) Dehydrochlorination

·        Utilized with phosphorus pentoxide for greener deoxybromination


·        Prepare for making Halogenated Heteroaryl Compounds


50 Kg Drum packing


Enquiry Now

Other Products