Merck
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566284

Sigma-Aldrich

Copper(I) oxide

≥99.99% trace metals basis, anhydrous

Synonym(s):
Cuprous oxide
Linear Formula:
Cu2O
CAS Number:
Molecular Weight:
143.09
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

grade

anhydrous

Quality Level

assay

≥99.99% trace metals basis

form

powder

density

6 g/mL at 25 °C (lit.)

SMILES string

[Cu]O[Cu]

InChI

1S/2Cu.O

InChI key

BERDEBHAJNAUOM-UHFFFAOYSA-N

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General description

Copper(I) oxide is a weak inorganic base that can be used to activate halides for nucleophilic substitution reaction. It is also used in decarboxylation and cyclo condensation reactions.[1]

Application

Copper(I) oxide can be used:
  • As a precursor to prepare nanoparticles, nanocrystals, and quantum dots for various applications.[2][3][4]
  • To catalyze the N-arylation of azoles under aqueous conditions using phase-transfer catalyst.[5]
  • To prepare reduced graphene oxide-based nano copper composites applicable as a sensor for the detection of dopamine.[6]
  • As a copper precursor to prepare Cu2O-TiO2 nanoparticle-based composite materials with aluminosilicate geopolymers applicable in the removal of organic pollutants from water.[7]

Packaging

5, 25 g in ampule

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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