Tetrabutylammonium tribromide manufacturers and suppliers

Tetrabutylammonium tribromide suppliers

Properties

Melting point:: 71-76 °C (lit.)

Density: 1.5469 (rough estimate)

refractive index: 1.6500 (estimate)

storage temp.: Keep in dark place,Inert atmosphere,Room temperature

solubility: Acetone (Slightly), Chloroform (Slightly)

form: Crystalline Powder

color: Yellow

Water Solubility: insoluble

BRN: 3746114

InChIKey: KEWPQWXPEDFWRU-UHFFFAOYSA-N

CAS DataBase Reference: 38932-80-8(CAS DataBase Reference)

Safety Information

Symbol(GHS): GHS07

Signal word: Warning

Hazard statements: H315-H319-H335

Precautionary statements: P302+P352-P305+P351+P338

Hazard Codes: Xi

Risk Statements: 36/37/38

Safety Statements: 26-36-37/39

RIDADR: UN3261

WGK Germany: 3

HazardClass: 8

PackingGroup: III

HS Code: 29211990

Use

Tetrabutylammonium tribromide (TBATB) is a salt of the lipophilic tetrabutylammonium cation and the linear tribromide anion. It is used as a phase transfer catalyst in organic synthesis as well as a mild brominating agent. A wide range of O-isopropylidene derivatives can be prepared from the sugars and their derivatives on reaction with acetone at room temperature by employing 2 mol % of tetrabutylammonium tribromide as a catalyst. Good yields, low catalyst loading, mild reaction conditions, and a non-aqueous workup procedure are some major advantages of this protocol. Tetrabutylammonium tribromide as an efficient generator of HBr for an efficient chemoselective reagent for acetalization of carbonyl compounds. It is sometimes used as a reagent used in organic synthesis as a conveniently weighable, solid source of bromine. Tetra-n-butylammonium tribromide is useful for the preparation of vicinal dibromides from alkenes and alkynes and alfa-bromo acetals. it is utilized to generate hydrogen bromide, which is used as an efficient chemoselective reagent for acetalization of carbonyl compounds.

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