60508

Kaliumdisulfid

BioUltra, ≥97.0% (RT)

• Synonym(e): Kaliummetabisulfit, Kaliumpyrosulfit
• Lineare Formel: K₂S₂O₅
• CAS-Nummer: 16731-55-8
• Molekulargewicht: 222.32
• EG-Nummer: 240-795-3
• MDL-Nummer: MFCD00167605
• UNSPSC-Code: 12352302
• PubChem Substanz-ID: 57651772
• NACRES: NA.25

Eigenschaften

• Produktlinie: BioUltra
• Assay: ≥97.0% (RT)
• Verunreinigungen: insoluble matter, passes filter test
• pH-Wert: 2.5-4.5 (25 °C, 0.1 M in H₂O)
• Löslichkeit: H₂O: 0.1 M at 20 °C, clear, colorless
• Anionenspuren: chloride (Cl^-): ≤50 mg/kg
• Kationenspuren: Al: ≤5 mg/kg; As: ≤0.1 mg/kg; Ba: ≤5 mg/kg; Bi: ≤5 mg/kg; Ca: ≤10 mg/kg; Cd: ≤5 mg/kg; Co: ≤5 mg/kg; Cr: ≤5 mg/kg; Cu: ≤5 mg/kg; Fe: ≤5 mg/kg; Li: ≤5 mg/kg; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Mo: ≤5 mg/kg; Na: ≤1000 mg/kg; Ni: ≤5 mg/kg; Pb: ≤5 mg/kg; Sr: ≤5 mg/kg; Zn: ≤5 mg/kg
• Absorption: cut-off at 308 nm in H₂O at 0.1 M
• SMILES String: [K+].[K+].[O-]S(=O)S([O-])(=O)=O
• InChI: 1S/2K.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2
• InChIKey: RWPGFSMJFRPDDP-UHFFFAOYSA-L

Beschreibung

Anwendung

Potassium disulfite (Potassium metabisulfite) may be use to study is antioxidant effects and ability to preserve food. Potassium disulfite may be used as an inhibitor of yeasts, bacteria, and fungi growth. Potassium metabisulfite may be used to study its potential toxicities in vivo.

Sicherheitshinweise

• Piktogramme: GHS05
• Signalwort: Danger
• H-Sätze: H318
• P-Sätze: P280 - P305 + P351 + P338
• Gefahreneinstufungen: Eye Dam. 1
• Zusätzliche Gefahrenhinweise: EUH031
• Lagerklassenschlüssel: 11 - Combustible Solids
• WGK: WGK 1
• Persönliche Schutzausrüstung: dust mask type N95 (US), Eyeshields, Gloves