208825
Copper(I) oxide
powder, ≤7 μm, 97%
Synonym(s):
Cuprous oxide
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About This Item
Linear Formula:
Cu2O
CAS Number:
Molecular Weight:
143.09
NACRES:
NA.55
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
215-270-7
MDL number:
Assay:
97%
Form:
powder
Product Name
Copper(I) oxide, powder, ≤7 μm, 97%
InChI key
BERDEBHAJNAUOM-UHFFFAOYSA-N
InChI
1S/2Cu.O
SMILES string
[Cu]O[Cu]
assay
97%
form
powder
contains
stabilizer
particle size
≤7 μm
density
6 g/mL at 25 °C (lit.)
Quality Level
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Application
Copper(I) oxide can be used as a catalyst to synthesize:
- Ynones via solvent-free Sonogashira reaction.
- N-Heteroaryl derivatives via cross-coupling of nitrogen heterocycles with halopyridines.
General description
Copper(I)oxide is a weak base that can be used in nucleophilic substitution, decarboxylation, cyclocondensation, and 1,1-addition reactions. It can also be used to form carbenoid intermediates from diazo compounds and radicals from arenediazonium salts.
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1
Storage Class
13 - Non Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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Dmytro S Kozak et al.
Scientific reports, 6, 21178-21178 (2016-02-18)
Electrolytic processes are widely used to synthesize different nanomaterials and it does not depend on what kind of the method has been applied (wet-chemistry, sonochemistry, plasma chemistry, electrolysis and so on). Generally, the reactions in the electrolyte are considered to
Copper (I) Oxide-Mediated Cyclization of o-Haloaryl N-Tosylhydrazones: Efficient Synthesis of Indazoles.
Tang M, et al.
Advanced Synthesis & Catalysis (2016)
A highly efficient nano-sized Cu2O/SiO2 egg-shell catalyst for C?C coupling reactions
Kim S, et al.
Royal Society of Chemistry Advances, 8, 6200-6205 (2018)
Ligand-free Cu2O-catalyzed cross coupling of nitrogen heterocycles with iodopyridines
Teo Y, et al.
Tetrahedron, 69, 7279-7284 (2013)
Copper (I) Oxide
Tuckmantel W
e-EROS Encyclopedia of Reagents for Organic Synthesis (2001)
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