Is Sodium Metabisulfite vegetarian?
Sodium Metabisulfite
Sodium Metabisulfite is an inorganic salt appearing as a white to yellowish powder with a characteristic sulfur dioxide odor. It is produced synthetically and used as a disinfectant, antioxidant, and preservative in food, cosmetic, and pharmaceutical applications.
| Also known as | Disodium disulphite, Disodium Metabisulfite, Disodium Pyrosulfite, Sodium Disulfite, Sodium Metabisulphite, Sodium Pyrosulfite, Sodium pyrosulphite |
|---|---|
| E number | E223 |
| INS number | 223 |
| CAS number | 7681-57-4 |
| EC number | 231-673-0 |
| Last reviewed | 16 April 2026 |
An ingredient is considered vegetarian if it avoids components derived from killing an animal.
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