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225673

Sigma-Aldrich

Silver sulfate

ACS reagent, 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:
329752325
NACRES:
NA.21

grade

ACS reagent

Quality Level

200

Assay

99%

form

lumps and powder

reaction suitability

reagent type: catalyst
core: silver

impurities

≤0.02% insoluble matter and silver chloride
≤0.03% not HCl pptd.

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 in various reactions such as halodecarboxylation of aryl aromatic acids, ortho-acrylation, and cycloaddition reaction to synthesize N-vinyl-substituted 1,2,3-triazoles.

Application

Silver sulfate can be used as:
  • A catalyst for the sulfonation of waste-based polystyrene into polystyrene sulfonic acid.
  • A chloride inhibitory agent in 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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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, 012100-012100 (2021)
Phenol and Colour Removal from Wastewater Using Two Coal-Based Adsorptive Materials: Preliminary Laboratory Tests and Performances
ZAHARIA C
Bulletin of the Polytechnic Institute of jassy, Section Chemistry and Chemical Engineering, 61, 11-22 (2016)
Inexpensive NaX (X= I, Br, Cl) as a halogen donor in the practical Ag/Cu-mediated decarboxylative halogenation of aryl carboxylic acids under aerobic conditions
Fu Z, et al.
Organic & Biomolecular Chemistry, 16 (2018)
Silver-mediated three-component cycloaddition reaction for direct synthesis of 1-N-vinyl-substituted 1, 2, 3-triazoles
Organic & Biomolecular Chemistry, 17, 4843-4849 (2019)
Rhodium-catalyzed ortho-acrylation of aryl ketone O-methyl oximes with cyclopropenones
Liu Y, et al.
Organic & Biomolecular Chemistry, 18 (2020)
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