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Merck
CN

31494

Silver sulfate

puriss. p.a., ACS reagent, ≥99.5%

Synonym(s):

Sulfuric acid disilver(I) salt

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About This Item

Linear Formula:
Ag2SO4
CAS Number:
10294-26-5
Molecular Weight:
311.80
NACRES:
NA.21
PubChem Substance ID:
329753788
UNSPSC Code:
12352302
EC Number:
233-653-7
MDL number:
MFCD00003407
Assay:
≥99.5%
Form:
crystalline

Key Documents

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InChI key

YPNVIBVEFVRZPJ-UHFFFAOYSA-L

InChI

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

SMILES string

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

grade

ACS reagent, puriss. p.a.

assay

≥99.5%

form

crystalline

impurities

≤0.02% Insoluble matter and silver chloride, ≤0.03% substances not precipitated by HCl

mp

652 °C (lit.)

anion traces

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

cation traces

Ca: ≤50 ppm, Cd: ≤50 ppm, Co: ≤50 ppm, Cu: ≤5 ppm, Fe: ≤10 ppm, K: ≤100 ppm, Na: ≤200 ppm, Ni: ≤10 ppm, Pb: ≤10 ppm, Zn: ≤5 ppm

Quality Level

100

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General description

Silver sulfate (Ag2SO4) is a 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.

Application

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

pictograms

CorrosionEnvironment
GHS05,GHS09

signalword

Danger

hcodes

H318,H410

Hazard Classifications

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

flash_point_f

Not applicable

flash_point_c

Not applicable

Storage Class

11 - Combustible Solids

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Certificates of Analysis (COA)

Lot/Batch Number
MKCW6465
MKCR8394
MKCR2255
MKCP2364
MKCP2267

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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)
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)
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 of aromatic amines with iodine and silver sulfate.
Sy W-W.
Synthetic Communications, 22(22), 3215-3219 (1992)
Iodination with Silver Sulfate and Iodine. II. Uridines.
Sy W-W.
Synthetic Communications, 20(21), 3391-3394 (1990)

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