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10229

Sigma-Aldrich

Silver sulfate

puriss., ≥99%

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Synonym(s):
Sulfuric acid disilver(I) salt
Linear Formula:
Ag2SO4
CAS Number:
10294-26-5
Molecular Weight:
311.80
EC Number:
233-653-7
MDL number:
MFCD00003407
UNSPSC Code:
12352302
PubChem Substance ID:
329748989
NACRES:
NA.21

grade

puriss.

Quality Level

100

Assay

≥99%

form

powder or crystals

reaction suitability

reagent type: catalyst
core: silver

mp

652 °C (lit.)

anion traces

chloride (Cl-): ≤10 mg/kg
nitrate (NO3-): ≤100 mg/kg

cation traces

Cu: ≤50 mg/kg
Fe: ≤50 mg/kg
Pb: ≤50 mg/kg

SMILES string

[Ag+].[Ag+].[O-]S([O-])(=O)=O

InChI

1S/2Ag.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2

InChI key

YPNVIBVEFVRZPJ-UHFFFAOYSA-L

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General description

Silver sulfate (Ag2SO4) is the disilver(I) salt of sulfuric acid. It participates in the TiO2-assisted photooxidation of substituted benzyltrimethylsilanes in acetonitrile. Diarylethanes were obtained in 50-74% yields. It has been reported as one of the common atmospheric silver corrosion product.

Application

Silver sulfate may be employed in the following studies:
  • Iodination reagent in combination with iodine for the synthesis of iododerivatives.
  • Synthesis of iodinated uredines.
  • Preparation of silver sulfate reagent, which is required for the determination of Chemical Oxygen Demand (COD).

Pictograms

CorrosionEnvironment
GHS05,GHS09

Signal Word

Danger

Hazard Statements

H318,H410

Hazard Classifications

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

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

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Chemical stability of plasmon-active silver tips for tip-enhanced Raman spectroscopy.
Kalbacova J, et al.
Nanospectroscopy, 1(1), 12-18 (2014)
Ponnusamy Velusamy et al.
Journal of advanced research, 5(1), 19-25 (2015-02-17)
The photocatalytic decoloration of an organic dye, ethyl violet (EV), has been studied in the presence of TiO2 and the addition of β-Cyclodextrin (β-CD) with TiO2 (TiO2-β-CD) under UV-A light irradiation. The different operating parameters like initial concentration of dye
Iodination with Silver Sulfate and Iodine. II. Uridines.
Sy W-W.
Synthetic Communications, 20(21), 3391-3394 (1990)
Iodination of aromatic amines with iodine and silver sulfate.
Sy W-W.
Synthetic Communications, 22(22), 3215-3219 (1992)
Titanium dioxide photocatalysed oxidation of benzyltrimethylsilanes in the presence of silver sulfate.
Baciocchi E, et al.
Journal of the Chemical Society. Chemical Communications, 1, 59-60 (1992)

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