221775
Copper(II) bromide
99%, solid
Synonym(s):
brominating agent, Cupric bromide
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About This Item
Linear Formula:
CuBr2
CAS Number:
Molecular Weight:
223.35
UNSPSC Code:
12161600
eCl@ss:
38150112
PubChem Substance ID:
NACRES:
NA.22
EC Number:
232-167-2
MDL number:
Product Name
Copper(II) bromide, 99%
Quality Segment
assay
99%
form
solid
reaction suitability
core: copper, reagent type: catalyst
mp
498 °C (lit.)
density
4.77 g/mL at 25 °C (lit.)
SMILES string
Br[Cu]Br
InChI
1S/2BrH.Cu/h2*1H;/q;;+2/p-2
InChI key
QTMDXZNDVAMKGV-UHFFFAOYSA-L
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.
Application
Some reported applications of copper bromide are:
Reductive homocoupling of α-bromo- α- chlorocarboxylates to dimethyl α, α′ dichlorosuccinate derivatives in presence of CuBr/LiOCH3 in methanol has been reported.
- 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.
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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Corr. 1B
Storage Class
8A - Combustible corrosive hazardous materials
wgk
WGK 3
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
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