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Merck
CN

735906

Copper(I) bromide

AnhydroBeads™, -10 mesh, 99.99% trace metals basis

Synonym(s):

Cuprous bromide

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About This Item

Linear Formula:
CuBr
CAS Number:
7787-70-4
Molecular Weight:
143.45
NACRES:
NA.23
PubChem Substance ID:
329765065
UNSPSC Code:
12352302
EC Number:
232-131-6
MDL number:
MFCD00010969
Assay:
99.99% trace metals basis
Grade:
synthesis grade
Form:
beads

Key Documents

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Product Name

Copper(I) bromide, AnhydroBeads™, -10 mesh, 99.99% trace metals basis

InChI key

NKNDPYCGAZPOFS-UHFFFAOYSA-M

InChI

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

SMILES string

[Cu]Br

grade

synthesis grade

product line

AnhydroBeads™

assay

99.99% trace metals basis

form

beads

reaction suitability

core: copper

impurities

≤150.0 ppm Trace Metal Analysis

particle size

-10 mesh

mp

504 °C (lit.)

density

4.71 g/mL at 25 °C (lit.)

application(s)

electroplating
material synthesis precursor

Quality Level

100

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Application

Some reported applications of copper bromide are:
  • catalyst in cross coupling reactions.
  • co-catalyst in Sonogashira coupling.
  • Lewis acid in enantioselective addition of alkynes.
  • reducing agent, when complexed by three molecules of pyridine initiators for the controlled polymerization of styrene, methyl acrylate and methyl methacrylate.

Reductive homocoupling of α-bromo- α- chlorocarboxylates to dimethyl α, α′ dichlorosuccinate derivatives in presence of CuBr/LiOCH3 in methanol has been reported.

General description

Cuprous bromide may be prepared by the reduction of cupric bromide or CuSO4-NaBr. In the molten state, it is grayish brown /greenish brown in color.

Legal Information

AnhydroBeads is a trademark of Sigma-Aldrich Co. LLC

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Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Irrit. 2

Storage Class

13 - Non Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
0000198526
0000173415
0000198526
0000173415
0000065915

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Study on atom transfer radical polymerization initiated by p-nitrophenyl initiator and synthesis of amino end-functionalized polymers thereof
Qu, T.; Cai, W.; Fu, Z.; Shi, Y.
Macromolecular Research, 18(7), 623-629 (2010)
Shengtong Sun et al.
The journal of physical chemistry. A, 114(32), 8331-8336 (2010-08-13)
A designed ligand-accelerated Cu(I)-catalyzed cycloaddition (CuAAC) reaction was monitored for the first time by real time infrared analysis technique based on ATR-FTIR principles. Principal components analysis (PCA) and two-dimensional correlation spectroscopy (2Dcos) results showed that the consumption of alkyne and
Denissova I and Barriault L
Handbook of Reagents for Organic Synthesis null
Denissova I and Barriault L et al.
Handbook of Reagents for Organic Synthesis null
Amrita Sarkar et al.
Soft matter, 15(26), 5193-5203 (2019-06-18)
The combination of precision control with wide tunability remains a challenge for the fabrication of porous nanomaterials suitable for studies of nanostructure-behavior relationships. Polymer micelle templates broadly enable porous materials, however micelle equilibration hampers independent pore and wall size control.
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