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72049 Sigma-Aldrich

Sodium thiosulfate

purum p.a., anhydrous, ≥98.0% (RT)

DOWNLOAD MSDS (PDF)

  • CAS Number 7772-98-7

  • Linear Formula Na2S2O3

  • Molecular Weight 158.11

  •  EC Number 231-867-5

  •  MDL number MFCD00003499

  •  PubChem Substance ID 24886350

Sodium thiosulfate purum p.a., anhydrous, ≥98.0% (RT)
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Properties

Related Categories Chemical Synthesis, Inorganic Salts, Sodium, Synthetic Reagents
grade   purum p.a.
assay   ≥98.0% (RT)
pH   6.0-8.5 (25 °C, 50 mg/mL in H2O)
anion traces   sulfide (S2-): ≤50 mg/kg
cation traces   Ca: ≤50 mg/kg
  Cd: ≤50 mg/kg
  Co: ≤50 mg/kg
  Cu: ≤50 mg/kg
  Fe: ≤50 mg/kg
  K: ≤500 mg/kg
  Ni: ≤50 mg/kg
  Pb: ≤50 mg/kg
  Zn: ≤50 mg/kg
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