217247

Sodium thiosulfate pentahydrate

ACS reagent, ≥99.5%

• Linear Formula: Na₂S₂O₃ · 5H₂O
• CAS Number: 10102-17-7
• Molecular Weight: 248.18
• EC Number: 231-867-5
• MDL number: MFCD00149186
• PubChem Substance ID: 329752198
• NACRES: NA.21

Properties

• Quality Level: 200
• grade: ACS reagent
• assay: ≥99.5%
• form: crystalline powder; crystals; pellets
• impurities: ≤0.002% N compounds; ≤0.005% insolubles
• pH: 6.0-8.4 (25 °C, 5%)
• solubility: water: soluble(lit.)
• anion traces: S^2-: passes test; SO₄^2- and SO₃^2-: ≤0.1%
• cation traces: N: ≤0.002%
• SMILES string: O.O.O.O.O.[Na+].[Na+].[O-]S([O-])(=O)=S
• InChI: 1S/2Na.H2O3S2.5H2O/c;;1-5(2,3)4;;;;;/h;;(H2,1,2,3,4);5*1H2/q2*+1;;;;;;/p-2
• InChI key: PODWXQQNRWNDGD-UHFFFAOYSA-L

Description

Application

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

Packaging

25, 500 g in poly bottle

2.5 kg in poly bottle

Safety Information

• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable