31454

Natriumsulfit

puriss. p.a., reag. Ph. Eur., anhydrous, 98-100.0% (iodometric)

• Lineare Formel: Na₂SO₃
• CAS-Nummer: 7757-83-7
• Molekulargewicht: 126.04
• EG-Nummer: 231-821-4
• MDL-Nummer: MFCD00003503
• UNSPSC-Code: 12352302
• PubChem Substanz-ID: 329753771
• NACRES: NA.21
• Assay: 98-100.0% (iodometric)
• Form: solid

Eigenschaften

• Agentur: USP/NF; reag. Ph. Eur.
• Qualitätsniveau: 100
• Qualität: puriss. p.a.
• Assay: 98-100.0% (iodometric)
• Form: solid
• Verunreinigungen: ≤0.001% heavy metals (as Pb); ≤0.02% thiosulfate (S₂O₃)
• pH-Wert: 9.0-10.5 (25 °C, 126 g/L)
• Anionenspuren: chloride (Cl^-): ≤50 mg/kg
• Kationenspuren: As: ≤0.2 mg/kg; Ca: ≤50 mg/kg; Cu: ≤5 mg/kg; Fe: ≤5 mg/kg; Pb: ≤5 mg/kg; Se: ≤10 mg/kg; Zn: ≤10 mg/kg
• SMILES String: [Na+].[Na+].[O-]S([O-])=O
• InChI: 1S/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
• InChIKey: GEHJYWRUCIMESM-UHFFFAOYSA-L

Beschreibung

Allgemeine Beschreibung

Sodium sulfie is an inorganic sodium salt. Rapid-mixing method has been proposed to investigate kinetics of the reaction between oxygen and sodium sulfite.

Anwendung

Sodium sulfite was used in the preparation of films based on wheat gluten.

Sicherheitshinweise

• Zusätzliche Gefahrenhinweise: EUH031
• Lagerklassenschlüssel: 11 - Combustible Solids
• WGK: WGK 1
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable