Sodium Sulfite (Food Grade)
Sodium Sulfite Food Grade (Na₂SO₃) CAS 7757-83-7
Product Name: Sodium Sulfite
Grade: Food Grade
Chemical Formula: Na₂SO₃
Molecular Weight: 126.04
CAS No.: 7757-83-7
Appearance: White crystalline powder or hexagonal crystals
Odor: Odorless
Solubility: Easily soluble in water, slightly soluble in ethanol, insoluble in ether
Water Solubility: 12.54 g/100 ml (0°C), 283 g/100 ml (80°C), max solubility ~28% at 33.4°C
pH Value: Alkaline aqueous solution
Stability: Easily oxidized to sodium sulfate in air, decomposes at high temperature