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566284

Sigma-Aldrich

Copper(I) oxide

≥99.99% trace metals basis, anhydrous

Synonym(s):

Cuprous oxide

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About This Item

Linear Formula:
Cu2O
CAS Number:
1317-39-1
Molecular Weight:
143.09
EC Number:
215-270-7
MDL number:
MFCD00010974
UNSPSC Code:
12352302
PubChem Substance ID:
57651589
NACRES:
NA.21

grade

anhydrous

Quality Level

100

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.

Application

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

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Description
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Signal Word

Danger

Hazard Statements

H302 + H332,H318,H410

Hazard Classifications

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

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Copper(I) oxide
e-EROS Encyclopedia of Reagents for Organic Synthesis. (2009)
Investigation of copper (I) oxide quantum dots by near-edge X-ray absorption fine structure spectroscopy
Nachimuthu P, et al.
Chemistry of Materials, 15(20), 3939-3946 (2003)
Jay Singh et al.
The journal of physical chemistry. B, 117(1), 141-152 (2012-12-29)
The ultrafine monodispersed cuprous oxide (Ufm-Cu(2)O) nanoparticles have been successfully synthesized by a facile wet chemical method using poly-N-vinylpyrrolidone (PVP) as a capping agent. This colloidal solution of Ufm-Cu(2)O and chitosan (CS) is electrophoretically deposited (EPD) onto the indium tin-oxide
E Rezabal et al.
Physical chemistry chemical physics : PCCP, 15(4), 1148-1153 (2012-12-12)
The activation of methane and its subsequent conversion into more valuable feedstocks under ambient conditions are regarded as one of the major challenges in contemporary catalysis, due to its thermodynamically strong and kinetically inert C-H bond. Several enzymes and synthetic
Miguel A Vargas-Reus et al.
International journal of antimicrobial agents, 40(2), 135-139 (2012-06-26)
Dental plaque accumulation may result in peri-implantitis, an inflammatory process causing loss of supporting bone that may lead to dental implant failure. The antimicrobial activities of six metal and metal oxide nanoparticles and two of their composites against bacterial pathogens
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