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85260

Sigma-Aldrich

Silver(I) oxide

purum p.a., ≥99.0% (AT)

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About This Item

Empirical Formula (Hill Notation):
Ag2O
CAS Number:
20667-12-3
Molecular Weight:
231.74
EC Number:
243-957-1
MDL number:
MFCD00003404
UNSPSC Code:
12352303
PubChem Substance ID:
329769368
NACRES:
NA.21

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

H271,H318,H410

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Ox. Sol. 1

Storage Class Code

5.1A - Strongly oxidizing hazardous materials

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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, 90-90 (1994)
Eagleson M.
Concise Encyclopedia Chemistry, 124-124 (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
Chiara Uboldi et al.
Mutation research, 745(1-2), 11-20 (2011-11-19)
Although amorphous silica nanoparticles (aSiO(2)NPs) are believed to be non-toxic and are currently used in several industrial and biomedical applications including cosmetics, food additives and drug delivery systems, there is still no conclusive information on their cytotoxic, genotoxic and carcinogenic
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