Sodium thiosulfate pentahydrate

• Catalog No.: 13479
• CAS Number: 10102-17-7
• M. F.: H10Na2O8S2
• M. W.: 248.18414
• Purity: 99-101%

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
• PubChem SID: 24848186
• MDL Number: MFCD00149186

PROPERTIES

• Antion Traces: chloride (Cl-): ≤500 mg/kg
• Antion Traces: sulfate, sulfite (as SO42-): ≤2000 mg/kg
• Antion Traces: sulfide (S2-): in accordance
• Cation Traces: As: ≤3 mg/kg
• Cation Traces: Ca: ≤50 mg/kg
• Cation Traces: Fe: ≤10 mg/kg
• Grade: puriss.
• Impurities: residual solvents, complies
• Impurities: ≤0.0005% heavy metals (as Pb)
• Linear Formula: Na2S2O3 · 5H2O
• Loss on Drying: 32-37% loss on drying, 16 h (vacuum)
• Purity: 99-101%
• Quality: meets analytical specification of Ph. Eur., BP, USP
• Suitability: complies for appearance of solution
• pH: 6.0-8.4 (20 °C, 10%)
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• German water hazard class: 1