Sodium Thiosulfate, Anhydrous, ACROS Organics™

Brand:  Acros Organics 202870025

Product Code. 10472011

Chemical Identifiers

• Chemical Name or Material: Sodium thiosulfate
• Purity Grade: Extra Pure
• Assay Percent Range: 98.5%
• Linear Formula: Na₂S₂O₃

• CAS: 7772-98-7
• Assay: 98.5%
• Molecular Formula: Na₂O₃S₂
• Formula Weight: 158.1

Specifications

• Chemical Name or Material: Sodium thiosulfate
• Purity Grade: Extra Pure
• Assay: 98.5%
• Molecular Formula: Na₂O₃S₂
• Formula Weight: 158.1
• Heavy Metals (as Pb): 50ppm max.
• Loss on Drying: 2% (105°C, 2 hrs) max.
• Solubility: Solubility in water: 700g/L (20°C). Other solubilities: practically insoluble in alcohol
• Color: White
• pH: 6.0 to 8.5 (5% soln. at 20°C)

• CAS: 7772-98-7
• Physical Form: Crystalline Powder
• Assay Percent Range: 98.5%
• Linear Formula: Na₂S₂O₃
• Chlorine (Cl): 1500ppm max.
• Iron (Fe): 50ppm max.
• Packaging: Plastic bottle
• Sulfate and Sulfite: 1% max.
• Melting Point: 48.0°C
• Quantity: 2.5kg