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216232

Sigma-Aldrich

Sodium persulfate

reagent grade, ≥98%

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Synonym(s):
Sodium peroxodisulfate
Linear Formula:
Na2S2O8
CAS Number:
Molecular Weight:
238.10
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

grade

reagent grade

Quality Level

assay

≥98%

form

powder, crystals or granules

reaction suitability

reagent type: oxidant

SMILES string

[Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O

InChI

1S/2Na.H2O8S2/c;;1-9(2,3)7-8-10(4,5)6/h;;(H,1,2,3)(H,4,5,6)/q2*+1;/p-2

InChI key

CHQMHPLRPQMAMX-UHFFFAOYSA-L

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1 of 4

This Item
71890906743S6172
vibrant-m

216232

Sodium persulfate

Essential Grade
vibrant-m

71890

Sodium persulfate

-
vibrant-m

906743

Sodium persulfate

-
vibrant-m

S6172

Sodium persulfate

Premium Grade
assay

≥98%

assay

≥98% (RT)

assay

≥98%

assay

≥99%

Quality Level

200

Quality Level

200

Quality Level

-

Quality Level

100

grade

reagent grade

grade

-

grade

reagent grade

grade

-

reaction suitability

reagent type: oxidant

reaction suitability

reagent type: oxidant

reaction suitability

-

reaction suitability

reagent type: oxidant

General description

Sodium persulfate, also known as Sodium peroxodisulfate is an inorganic compound and is a water-soluble strong oxidizing agent, that is stable and easy to handle. It is commonly used as an oxidant in organic synthesis reactions such as transition-metal-catalyzed or metal-free reactions. Additionally, it is used as a polymerization initiator and in the synthesis of sulfate radical anions through heat-activated decomposition.

Application

Sodium persulfate can be used as an oxidant:
  • For the radical cyclization cascade reaction of 2-alkynylbenzonitriles and sodium arylsulfinates to synthesize sulfonated indenones.
  • In the silica-supported aluminum chloride-catalyzed Baeyer-Villiger oxidation of cyclic and acyclic ketones to lactones or esters.
It can also be used as an initiator for the polymerization of styrene to synthesize polystyrene.

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Ox. Sol. 3 - Resp. Sens. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3

target_organs

Respiratory system

Storage Class

5.1B - Oxidizing hazardous materials

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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Base is the most commonly used activator of persulfate for the treatment of contaminated groundwater by in situ chemical oxidation (ISCO). A mechanism for the base activation of persulfate is proposed involving the base-catalyzed hydrolysis of persulfate to hydroperoxide anion
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Microwave oxidation process (MOP) was evaluated for treatment of landfill leachate. The experimental parameters include pH, temperature, oxidant doses, microwave power setting, and irradiation time. The study explored the microwave-specific effects of the MOP. The contributions of pure thermal, persulfate

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