12669

Potassium thiosulfate

≥95%

• Synonym(s): Dipotassium thiosulfate, Thiosulfuric acid (H₂S₂O₃), potassium salt (1:2), Thiosulfuric acid, dipotassium salt
• Linear Formula: K₂S₂O₃
• CAS Number: 10294-66-3
• Molecular Weight: 190.32
• EC Number: 233-666-8
• MDL number: MFCD00036292
• UNSPSC Code: 12352302
• PubChem Substance ID: 57647019
• NACRES: NA.22
• form: solid

Properties

• 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

Description

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.

Safety Information

• Storage Class Code: 11 - 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