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Sigma-Aldrich

Potassium thiosulfate

≥95%

Sinónimos:

Dipotassium thiosulfate, Thiosulfuric acid (H2S2O3), potassium salt (1:2), Thiosulfuric acid, dipotassium salt

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About This Item

Fórmula lineal:
K2S2O3
Número de CAS:
10294-66-3
Peso molecular:
190.32
EC Number:
233-666-8
MDL number:
MFCD00036292
UNSPSC Code:
12352302
PubChem Substance ID:
57647019
NACRES:
NA.22

Quality Level

100

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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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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Certificados de análisis (COA)

Lot/Batch Number
WXBF4273V
STBK5833
STBK3749
STBJ7017
STBJ1525

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