Sodium metabisulfite (E223) is the sodium salt of sulfurous acid, occurring in the form of a white, crystalline powder with a characteristic odour. This compound is widely used in food industry as a preservative and antioxidant that inhibits the growth of bacteria, mold, and aerobic microorganisms.
It also acts as a bleaching and antioxidant agent, making it a valued technological additive in many processing operations.
Applications:
- food industry – preservation of dried fruits, wines, juices, beer, syrups, and preserves,
- milling industry – agent for flour processing and prevention of rancidity,
- chemical and cosmetic sector – antiseptic and bleaching agent,
- water and wastewater treatment – neutralization of chlorine and excess oxygen.
Why choose sodium metabisulfite from EDACH:
✅ high purity and stability of action,
✅ compliance with food standards (E223),
✅ effective protection against mold and bacteria,
✅ possibility of wholesale and retail orders,
✅ reliable supply source – EDACH quality guarantee.
Technical parameters:
- Chemical name: Sodium metabisulfite
- Additive symbol: E223
- Form: white crystalline powder
- Odor: characteristic, sulfurous
- Solubility: very good in water
- Classification:
- Acute Tox. 4 (H302) – harmful if swallowed
- Eye Dam. 1 (H318) – causes serious eye damage
Characteristics:
