Sodium metabisulfite, for analysis, ACROS Organics™

Brand:  Acros Organics 223070025

Product Code. 10033023

Chemical Identifiers

• Chemical Name or Material: Sodium metabisulfite
• Purity Grade: For analysis
• Molecular Formula: Na₂O₅S₂
• Formula Weight: 190.1
• Synonym: Sodium hydrogen sulfite

• CAS: 7681-57-4
• Assay: ≥58.5% (SO2)
• Linear Formula: Na₂S₂O₅
• MDL Number: MFCD00003530

Specifications

• Chemical Name or Material: Sodium metabisulfite
• Purity Grade: For analysis
• Assay: ≥58.5% (SO2)
• Linear Formula: Na₂S₂O₅
• MDL Number: MFCD00003530
• Merck Index: 15, 8724
• Density: 1.4800g/mL
• Insoluble Matter: 0.005% max.
• Packaging: Plastic bottle
• Color: White
• Quantity: 2.5kg

• CAS: 7681-57-4
• Physical Form: Crystalline Powder
• Molecular Formula: Na₂O₅S₂
• Formula Weight: 190.1
• Arsenic (As): 1ppm max.
• Synonym: Sodium hydrogen sulfite
• Heavy Metals (as Pb): 10ppm max.
• Iron (Fe): 20ppm max.
• Solubility: Solubility in water: 540g/L (20°C). Other solubilities: freely soluble in glycerol, slightly soluble in alcohol
• Melting Point: 150.0°C