ميتابيسلفيت الصوديوم
| Kind | Excipient |
|---|---|
| Class | Antioxidants, chelators & preservatives — sulfite antioxidant |
| Synonyms | sodium pyrosulfite, disodium disulfite, Na2S2O5, E223 |
| Common uses / forms | Water-soluble antioxidant for injectables, oral liquids, topicals; typical 0.01-1%; also SO2 source |
| Properties | White crystals/powder, freely water-soluble, releases SO2; used to protect oxidation-prone actives (e.g. adrenaline, phenolics); incompatible with some drugs it can degrade |
| Compendia | USP, EP, BP |
| Sourcing origins | China, EU, India |
| Dominant inbound route | Hormuz |
| Indicative price band | $ (< $10 / kg) |
| Indicative lead time | short (30–50 days) |
| Notes | Sulfite-sensitivity labeling required; assay by available SO2; store airtight, oxidizes to sulfate on exposure to air/moisture |
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Cite as: AUPAM Experts' Office, Sodium metabisulfite — sourcing profile (Excipient) — AUPAM Data Bank, retrieved 2026-08-31, https://aupameo.org/datasets/databank/e-sodium-metabisulfite.html