85260

Sigma-Aldrich

Silver(I) oxide

purum p.a., ≥99.0% (AT)

Empirical Formula (Hill Notation):
Ag2O
CAS Number:
Molecular Weight:
231.74
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

Quality Level

grade

purum p.a.

assay

≥99.0% (AT)

form

powder

anion traces

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤50 mg/kg

cation traces

Ca: ≤50 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Cu: ≤50 mg/kg
Fe: ≤50 mg/kg
K: ≤100 mg/kg
Na: ≤100 mg/kg
Ni: ≤50 mg/kg
Pb: ≤50 mg/kg
Zn: ≤50 mg/kg

SMILES string

[Ag]O[Ag]

InChI

1S/2Ag.O

InChI key

KHJDQHIZCZTCAE-UHFFFAOYSA-N

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General description

Silver(I) oxide reacts with CO2 present in the atmosphere to afford silver carbonate. It is widely used in the preparation of ceramic pigments. It participates in the Arndt-Eistert synthesis.

Application

Silver(I) oxide may be used in the synthesis of following:
  • (RS)-malic acid
  • 1,2-(o)-benzoquinone
  • polysubstituted cyclic ethers

Signal Word

Danger

Hazard Statements

RIDADR

UN1479 - class 5.1 - PG 1 - EHS - Oxidizing solid, n.o.s., HI: all

WGK Germany

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis
Certificate of Origin
Abderrahim Bouzide et al.
Organic letters, 4(14), 2329-2332 (2002-07-06)
[reaction: see text] The reaction of symmetrical diols and oligo(ethylene glycol)s with a stoichiometric amount of p-toluenesulfonyl chloride in the presence of silver(I) oxide and a catalytic amount of potassium iodide led selectively to the monotosylate derivatives in high yields....
Eagleson M.
Concise Encyclopedia Chemistry, 124-124 (1994)
Eagleson M.
Concise Encyclopedia Chemistry, 90-90 (1994)
Eagleson M.
Concise Encyclopedia Chemistry, 617-617 (1994)
Weijia Zhou et al.
Physical chemistry chemical physics : PCCP, 12(45), 15119-15123 (2010-10-22)
Electrostatic self-assembled Ag(2)O/TiO(2) nanobelts heterostructure was synthesized via simple physical mixing of Ag(2)O nanoparticles and TiO(2) nanobelts. The morphologies and microstructures of Ag(2)O/TiO(2) nanobelt heterostructure were characterized by high resolution transmission electron microscopy. The interface dominated high UV photocatalytic activity...

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