13479

Natriumthiosulfat Pentahydrat

puriss., meets analytical specification of Ph. Eur., BP, USP

• Lineare Formel: Na₂S₂O₃ · 5H₂O
• CAS-Nummer: 10102-17-7
• Molekulargewicht: 248.18
• EG-Nummer: 231-867-5
• MDL-Nummer: MFCD00149186
• UNSPSC-Code: 12352302
• PubChem Substanz-ID: 329750194
• NACRES: NA.21

Eigenschaften

• Agentur: suitable for EPA 1621; suitable for ISO 25101
• Qualität: puriss.; meets analytical specification of Ph. Eur., BP, USP
• Assay: 99.0-100.5% (USP, dry basis); 99.0-101.0% (EP)
• Form: crystalline
• Verunreinigungen: residual solvents, complies; ≤0.0005% heavy metals (as Pb)
• Verlust: 32-37% loss on drying, 16 h (vacuum)
• pH-Wert: 6.0-8.4 (20 °C, 10%)
• Anionenspuren: sulfate, sulfite (as SO₄^2-): ≤2000 mg/kg; sulfide (S^2-): in accordance
• Kationenspuren: As: ≤3 mg/kg; Ca: ≤50 mg/kg; Fe: ≤10 mg/kg
• Eignung: complies for appearance of solution
• 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
• InChIKey: PODWXQQNRWNDGD-UHFFFAOYSA-L

Sicherheitshinweise

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