217263

Natriumthiosulfat

ReagentPlus^®, 99%

• Lineare Formel: Na₂S₂O₃
• CAS-Nummer: 7772-98-7
• Molekulargewicht: 158.11
• EG-Nummer: 231-867-5
• MDL-Nummer: MFCD00003499
• UNSPSC-Code: 12352302
• PubChem Substanz-ID: 329752199
• NACRES: NA.21

Eigenschaften

• Qualitätsniveau: 200
• Produktlinie: ReagentPlus^®
• Assay: 99%
• Form: powder, crystals or chunks
• pH-Wert: 6.0-8.5 (20 °C, 50 g/L)
• SMILES String: [Na+].[Na+].[O-]S([O-])(=O)=S
• InChI: 1S/2Na.H2O3S2/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2
• InChIKey: AKHNMLFCWUSKQB-UHFFFAOYSA-L

Beschreibung

Allgemeine Beschreibung

Sodium thiosulfate is an inorganic salt composed of thiosulfate and sodium ion with the chemical formula Na₂S₂O₃. It is general reducing agent and useful sulfur source in synthetic chemistry

Anwendung

Applied in a widely useful, thiosulfate-assisted, synthesis of a variety of diamine-CuCN complexes.

Sodium thiosulfate can be used as a

• Component in the synthesis of unsymmetrical aryl sulfides under aqueous conditions, where C–S–C bond formed in presence of other two components (alcohols and organohalides).
• Reagent for the activation of carbon material.
• Reagent in the synthesis of S-glycosyl thiosulfates (glycosyl bunte salts) by direct condensation of unprotected sugars using dehydrating agent DMC (2-chloro-1,3-dimethylimidazolinium chloride) in water-acetonitrile solvent mixture.
• Reagent with alkyl halide in the synthesis of Bunte salts by SN₂ mechanism using Cu catalyst.
• Reagent in the synthesis of aryl thiols from aryl halides by palladium catalyzed cross-coupling reaction.

Leistungsmerkmale und Vorteile

Sodium thiosulfate is:

• Stable
• Environmentally friendly
• Odorless
• Inexpensive.

Rechtliche Hinweise

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Sicherheitshinweise

• Lagerklassenschlüssel: 11 - Combustible Solids
• WGK: WGK 1
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable