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497266

Sigma-Aldrich

Silver sulfate

≥99.99%

Synonym(s):

Disilver sulfate, 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:
12161600
PubChem Substance ID:
24873106
NACRES:
NA.22

Assay

≥99.99%

reaction suitability

core: silver
reagent type: catalyst

impurities

≤0.02% insolubles
<100 ppm total metallic impurities

mp

652 °C (lit.)

anion traces

nitrate (NO3-): ≤0.001%

cation traces

Fe: ≤0.001%

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 is an inorganic compound that can be used as a catalyst, precursor, and oxidant in various reactions.

Application

Silver sulfate can be used as a:
  • Precursor in the synthesis of silver nanowire arrays.
  • Catalyst in the synthesis of poly-styrene sulfonic acid (PSSA) from Styrofoam (polystyrene) by sulfonation reaction.

Pictograms

CorrosionEnvironment
GHS05,GHS09

Signal Word

Danger

Hazard Statements

H318,H410

Hazard Classifications

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

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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HFIP in organic synthesis
Motiwala HF, et al.
Chemical Reviews, 122(15), 12544-12747 (2022)
The influence of the amount of catalyst on the degree of sulfonation in the sulfonation process on waste-based Styrofoam (polystyrene) into Poly-(Styrene Sulfonic Acid)
Manurung R, et al.
IOP Conference Series: Materials Science and Engineering, 1122(1), 012100-012100 (2021)
Uniform large-area free-standing silver nanowire arrays on transparent conducting substrates
Feng Y, et al.
Journal of the Electrochemical Society, 163(8), D447-D447 (2016)
Chemical Oxygen Demand of Petrochemical Wastes. Modification of Standard Catalytic Reflux Procedure
Bertram FW, et al.
Analytical Chemistry, 30(9), 1482-1485 (1958)

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