Sodium Metabisulfite
SXS Chemical supplies high-quality sodium metabisulfite for industrial applications. Our sodium metabisulfite is widely used in food processing, water treatment, textile, and chemical industries
Sodium Metabisulfite (Na₂S₂O₅)
Grade: Food Grade & Industrial Grade
Chemical Formula: Na₂S₂O₅
Molecular Weight: 190.103
CAS No.: 7681-57-4
Appearance: White or slightly yellow crystalline powder
Relative Density: 1.4
Solubility: Dissolves in water (54g/100ml at 20°C; 81.7g/100ml at 100°C), soluble in glycerol, slightly soluble in ethanol
Stability: Moisture sensitive, oxidizes to sodium sulfate in air; decomposes at 150°C; reacts with strong acids to release SO₂
Sodium Bisulfite (calculated as Na₂S₂O₃) Content: ≥ 96.5%
Iron (Fe) Content: ≤ 0.003%
