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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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