Sodium thiosulfate pentahydrate

• Catalog No.: 72050
• CAS Number: 10102-17-7
• M. F.: H10Na2O8S2
• M. W.: 248.18414
• Purity: ≥99.5% (RT)

SYNONYMS

• Title: 硫代硫酸钠 五水合物
• IUPAC name: disodium 1-oxo-1λ^6-disulfene-1,1-bis(olate) pentahydrate
• IUPAC Traditional name: disodium hypo pentahydrate

DATABASE IDS

• EC Number: 231-867-5
• CAS Number: 10102-17-7
• MDL Number: MFCD00149186

PROPERTIES

• Antion Traces: chloride (Cl-): ≤100 mg/kg
• Antion Traces: sulfate, sulfite (as SO42-): ≤1000 mg/kg
• Antion Traces: sulfide (S2-): ≤1 mg/kg
• Cation Traces: Ca: ≤10 mg/kg
• Cation Traces: Cd: ≤5 mg/kg
• Cation Traces: Co: ≤5 mg/kg
• Cation Traces: Cr: ≤5 mg/kg
• Cation Traces: Cu: ≤5 mg/kg
• Cation Traces: Fe: ≤5 mg/kg
• Cation Traces: K: ≤50 mg/kg
• Cation Traces: Mg: ≤5 mg/kg
• Cation Traces: Mn: ≤5 mg/kg
• Cation Traces: Ni: ≤5 mg/kg
• Cation Traces: Pb: ≤5 mg/kg
• Cation Traces: Zn: ≤5 mg/kg
• Grade: ACS reagent
• Grade: puriss. p.a.
• Impurities: ≤0.002% total nitrogen (N)
• Linear Formula: Na2S2O3 · 5H2O
• Purity: ≥99.5% (RT)
• Quality: crystallized
• pH: 6.0-8.4 (25 °C, 50 mg/mL in H2O)
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• German water hazard class: 1