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31494

Silver sulfate

Name: Silver sulfate
Brand: SIGALD

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

EC Number:

233-653-7

MDL number:

MFCD00003407

UNSPSC Code:

12352300

PubChem Substance ID:

329753788

NACRES:

NA.21

grade

ACS reagent
puriss. p.a.

Quality Level

100

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

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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Salts

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

GHS05,GHS09

signalword

Danger

hcodes

H318 - H410

pcodes

P273 - P280 - P305 + P351 + P338 - P391 - P501

Hazard Classifications

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

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 3

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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Silver chloride

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)

Modification of the photocatalytic activity of TiO2 by β-Cyclodextrin in decoloration of ethyl violet dye.

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.