CAS 7787-70-4 Copper(I) bromide - Catalysts / Alfa Chemistry

Synonyms

Cuprous bromide

IUPAC Name

Bromocopper

Molecular Weight

143.45

Molecular Formula

CuBr

Canonical SMILES

[Cu]Br

InChI

InChI=1S/BrH.Cu/h1H;/q;+1/p-1

InChI Key

NKNDPYCGAZPOFS-UHFFFAOYSA-M

Boiling Point

1345 °C

Melting Point

504 °C

Flash Point

1345 °C

Purity

99%+

Density

4.71 g/mL at 25 °C (lit.)

Solubility

Slightly soluble in water

Appearance

Pale green to green powder

Storage

Keep in dark place,inert atmosphere,Room Temperature

Color Form

White powder or cubic crystals (zinc blende structure);White tetrahedral crystals;White crystalline solid becoming green in light;

Complexity

Covalently-Bonded Unit Count

Decomposition

WHEN STRONGLY HEATED, THEY EMIT HIGHLY TOXIC FUMES OF /HYDROGEN BROMIDE/. /BROMIDES/;

EC Number

232-131-6

Exact Mass

141.84793

Heavy Atom Count

Monoisotopic Mass

141.84793

Other Experimental

Decomposes in hot water, nitric acid;Heat of fusion: 16.03 cal/g;

Rotatable Bond Count

Stability

It oxidizes slowly in air ... .;

Topological Polar Surface Area

0 Å²

Vapor Pressure

1 MM HG @ 572 DEG C;

Application

Copper(I) bromide, a white, cubic crystalline material, serves as an effective catalyst in various organic reactions. Despite decomposing upon exposure to light or moisture, this compound is instrumental in forming complexes with hydrochloric and hydrobromic acids, as well as with aqueous ammonia. It plays a significant role in the synthesis of organic fine chemicals, facilitating processes such as tetrahydropyranylation of alcohols and copper-mediated coupling reactions. Additionally, Copper(I) bromide can be paired with palladium for the catalytic synthesis of 3-haloindoles through an annulation process. The compound is also integral in atom transfer radical polymerization, particularly when used with a silica gel-supported complex, demonstrating its versatility and importance in the realm of organic chemistry.

January 15, 2025

Copper(I) Bromide: Essential Catalyst for Organic Synthesis

In our research, Alfa Chemistry's Copper(I) bromide was indispensable as a catalyst for tetrahydropyranylation and copper-mediated coupling. It proved highly effective and reliable, greatly facilitating our organic synthesis processes.