71989

Sodium sulfite

puriss. p.a., ACS reagent, anhydrous, ≥98.0% (RT)

• Wzór liniowy: Na₂SO₃
• Numer CAS: 7757-83-7
• Masa cząsteczkowa: 126.04
• UNSPSC Code: 12352300
• PubChem Substance ID: 57652385
• EC Number: 231-821-4
• MDL number: MFCD00003503

Właściwości

• grade: ACS reagent, puriss. p.a.
• assay: ≥98.0% (RT)
• solubility: water: soluble 126 g/L at 20 °C
• anion traces: chloride (Cl^-): ≤50 mg/kg, thiosulfate (S₂O₃^2-): ≤200 mg/kg
• cation traces: As: ≤0.1 mg/kg, Ca: ≤50 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤200 mg/kg, Mg: ≤20 mg/kg, Mn: ≤5 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 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
• InChI key: GEHJYWRUCIMESM-UHFFFAOYSA-L

Opis

General description

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

Application

Sodium sulfite may be used in the preparation of wheat gluten films.

Other Notes

A -D suffix exists for administrative purposes only.
All -D packages are 100% the same product, same quality, same specification as the package sizes previously sold without a -D.

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Informacja o środkach bezpieczeństwa

• supp_hazards: EUH031
• Klasa składowania: 13 - Non Combustible Solids
• wgk: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Gloves