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12669

Sigma-Aldrich

Potassium thiosulfate

≥95%

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Synonym(s):
Dipotassium thiosulfate, Thiosulfuric acid (H2S2O3), potassium salt (1:2), Thiosulfuric acid, dipotassium salt
Linear Formula:
K2S2O3
CAS Number:
Molecular Weight:
190.32
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

≥95%

form

solid

SMILES string

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

InChI

1S/2K.H2O3S2/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2

InChI key

FGRVOLIFQGXPCT-UHFFFAOYSA-L

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241776PX1570ED2P
vibrant-m

12669

Potassium thiosulfate

vibrant-m

241776

Potassium thioacetate

vibrant-m

PX1570

Potassium phosphate dibasic

Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

200

form

solid

form

solid

form

granular

form

powder

Application

Potassium thiosulfate can be used:
  • For the preparation of aqueous biphasic systems (ABS) for the extraction of organic compounds.
  • For the synthesis of polyacrylonitrile nanoparticles by dispersion/emulsion polymerization.
  • As a reagent for the pretreatment of graphite powder to synthesize graphene oxide from it by Hummers′ method.
  • As an initiator to synthesize organosilicon-based adsorbent to remove iron from crude phosphoric acid.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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MMYOMAG-74K-13

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C T Perciani et al.
Journal of clinical laboratory analysis, 21(3), 201-206 (2007-05-18)
The methods currently used to determine the immunoglobulin avidity index (AI) require the choice of a reference point in the ELISA titration curve. Since both curves, with and without denaturating reagents, seldom run in parallel, the AI value becomes highly
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Journal of hazardous materials, 128(1), 67-72 (2005-08-30)
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Chemical studies on the removal of iron from crude phosphoric acid using an organosilicon compound.
Soliman MH, et al.
Journal of Chemistry, 6(S1), S329-S341 (2009)
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Plastic tarps are commonly used in raised bed strawberry production to minimize emissions of preplant soil fumigants and are left in place throughout the growing season as part of the standard cultural practices. Soil amendments with chemicals such as thiosulfate
Preparation of Cu-graphene coating via electroless plating for high mechanical property and corrosive resistance.
Li S, et al.
Journal of alloys and compounds, 777(2), 877-885 (2019)

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