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Sodium disulfite v.p.
97-100.5% Na2S2O5
For laboratory use, DAB, Ph. Eur., BP, NF Ph. Franç.
CL00.1459
CAS Nr:7681-57-4
Physical
  • Form: solid
  • Colour: colourless
  • Melting point: 150°C (dec.)
  • Boiling point: -
  • Flash point: -
  • Density: 1,48 g/cm3
  • Mol Weight: 190.10 g/mol
  • Storage temp: RT
Art. Nr. Pack Mod Stock
CL00.1459.1000 1 kg PE 26 photo_camera
CL00.1459.5000 5 kg PE 1
Specs
  • Assay : 97-100.5%
  • Appearance of the solution : Clear (5% Sol.)
  • Arsenic (As) <0.0002%
  • Copper (Cu) <0.001%
  • Iron (Fe) <0.001%
  • Lead (Pb) <0.0005%
  • Selenium (Se) <0.001%
  • Zinc (Zn) <0.001%
  • Mercury (Hg) <0.0005%
  • Heavy Metals as Lead (Pb) <0.001%
  • Chloride (Cl) <0.01%
  • Thiosulfate (S2O3) <0.02%
  • pH : 3.5 to 5.0 (5% Sol.)
  • pH : 4.0 to 5.0 (10% Sol.)
  • Residual Solvents (Ph Eur./ICH) : Excluded by manuf. process
Safety
  • HS Nr: 28321000
  • Signal word: Danger
  • dangersymbol dangersymbol