Why Sodium Metabisulfite - Food Grade
Sodium Metabisulfite - Food Grade delivers precise adherence to Food Chemicals Codex (FCC) specifications, providing essential verification for manufacturers subjected to rigorous regulatory inspections. Commercial buyers select this formulation when their process dictates a proven antioxidant, chemical preservative, or color-retention agent that complies strictly with the minimal heavy metal and impurity thresholds mandated for human consumption. When comparing this food-grade material to standard technical alternatives, the fundamental molecular structure and active sulfur dioxide yield remain completely identical. However, the manufacturing controls, lot-specific analytical testing, impurity limits, and strict traceability profiles change dramatically. This targeted analytical testing satisfies health regulatory agencies and stringent internal quality control mandates. Relying on this strictly controlled grade guarantees that final manufactured goods fulfill the exact compliance requirements enforced by external safety auditors, ensuring absolute conformity across the production chain.
Commonly applied in industrial seafood processing operations to prevent melanosis—the enzymatic browning known as black spot—in freshly harvested shrimp and crustaceans, effectively extending product viability while strictly maintaining regulatory parameters for direct human consumption.
Commonly applied in commercial bakery operations, dried fruit production, and large-scale potato processing as a targeted bleaching agent and chemical preservative to arrest enzymatic browning, ensuring consistent visual aesthetics and flavor stability throughout prolonged supply chain storage.
Commonly applied in the fabrication of specialized food packaging materials where trace amounts of the chemical inevitably contact consumable goods, establishing the absolute necessity for adherence to FCC purity benchmarks and low heavy metal concentrations.
Commonly applied in large-scale drinking water desalination infrastructure, specifically preceding reverse osmosis systems, to effectively neutralize residual chlorine and chloramine compounds before they degrade sensitive filtration membranes, a process where municipal potable water standards demand strictly controlled inputs.
Commonly applied in the commercial formulation of dry pet diets and specialized agricultural feed to prevent the degradation of essential vitamins and lipids, necessitating the exact purity verification protocols required for human dietary products.
| Molecular Weight |
190.10 |
| Formula |
Na2O5S2 |
| Assay |
98-100% |
| Grade |
Food Grade |
| Form |
Solid |
| Solubility |
Soluble in water |
| Appearance |
White to yellowish crystalline powder |
| Melting Point |
greater than 302 °F (Decomposes) (NIOSH, 2024) |
| Boiling Point |
Decomposes (NIOSH, 2024) |
| Industry |
Food Processing, Beverage Production, Environmental, Photography, Chemical Manufacturing |
