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226831

Sigma-Aldrich

Silver(I) oxide

≥99.99% trace metals basis

Synonym(s):

Argentous oxide, Disilver monoxide, Disilver oxide

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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:
24853593
NACRES:
NA.23

Quality Level

100

Assay

≥99.99% trace metals basis

form

powder and chunks

reaction suitability

reagent type: catalyst
core: silver

SMILES string

[Ag]O[Ag]

InChI

1S/2Ag.O

InChI key

KHJDQHIZCZTCAE-UHFFFAOYSA-N

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Application

Oxidizing agent for the generation of lactones from diols. Mediates monoprotection of symmetrical diols with alkyl halides in good to excellent yield.
Stoichiometric quantities of Ag2O convert tertiary bromides to esters, ethers, and amines.

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCW7596
0000249473
MKCS9918
MKCS0200
MKCQ4203

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J. Serb. Chem. Soc., 53, 411-411 (1988)
Tetrahedron Letters, 48, 5761-5761 (2007)
Bouzide, A. Sauve, G.
Tetrahedron Letters, 38, 5945-5945 (1997)
Woonsup Shin et al.
Analytical chemistry, 83(12), 5023-5025 (2011-05-10)
When a current or a voltage is applied across the ceramic membrane of the nongassing Ag/Ag(2)O-SiO(2)-Ag/Ag(2)O pump, protons produced in the anodic reaction 2Ag(s) + H(2)O → Ag(2)O(s) + 2H(+) + 2e(-) are driven to the cathode, where they are
Zijie Yan et al.
Langmuir : the ACS journal of surfaces and colloids, 27(2), 851-855 (2010-12-18)
A new route to synthesis of Ag(2)O micro-/nanostructures, including a mixture of cubes, pyramids, triangular plates, pentagonal rods, and bars, has been developed by pulsed excimer laser ablation of bulk silver in water using polysorbate 80 as surfactant. The polysorbate
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