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
Quality Segment
assay
97%
form
powder
contains
stabilizer
particle size
≤7 μm
density
6 g/mL at 25 °C (lit.)
SMILES string
[Cu]O[Cu]
InChI
1S/2Cu.O
InChI key
BERDEBHAJNAUOM-UHFFFAOYSA-N
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.
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.
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Signal Word
Danger
Hazard Codes
Precautionary Statements
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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