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Disulfite

CAS 11098-80-9

Also registered as 5 other CAS numbers

22604-31-5 · 23134-05-6 · 56217-92-6 · 87742-18-5 · 208053-40-1

Disulfite chemical structure

Concern score

Not assessed — no hazard data yet.

Disulfite in plain language

What it is

Also known as Metabisulfite ion · Disulfite (S2O52-) · Disulfite ion · Disulfurous acid, ION(2-) · Metasulfite (S2O52-) · Oxido(oxo)-lambda~4~-sulfanesulfonate

Show all 14 names

Pyrosulfite (S2O52-) · Metabisulfite · Metabisulphite · Pyrosulfite · Q408776 · Sulfanesulfonato(2-), 1-hydroxy-, ion(2-), oxide · UNII-7992SO049K · pentaoxido-1kappa(3)O,2kappa(2)O-disulfate(S--S)(2-)

What it does

We don't have a plain-language description for Disulfite yet.

Is it a concern?
We haven't assessed a concern score for this ingredient yet.

What we know about this ingredient

EPA DSSTox provides the canonical identifier, structure, and synonym profile for this chemical.

Regulation

No restrictions found. Disulfite appears in these published regulatory listings.

  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Evidence & sources

No graded research studies for Disulfite yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

4 data sources

Where this comes from

  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →

  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →

  • openFDA Substance

    registry · updated 2026-05-24

    Open →

  • PubChem Live Enrichment

    chemistry · updated 2026-05-17

    Open →

Allergen profile

Canonical allergen markers detected on this ingredient. Each row is derived from the ingredient’s name or synonyms matching a known allergen class — useful when scanning a label for a specific allergy context.

  • SulphitesContains · Oral (ingested)

    Source: chemindex_name_match

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Fragrance avoidance

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.

Catalog

Found in these products

Their ingredient lists include Disulfite; each product's own rating depends on its whole formula, so it is shown on the product page, not here.

See all 31 →Find products without it →