food
industrial

Sulfite

CAS 14265-45-3 · 40/100 · High conf.

Also registered as 1 other CAS number

173658-73-6

Concern score

40/100Moderate concern based on regulatory listings.

High confidence

Sulfite in plain language

What it is: Also known as Sulfite ion · Sulfites · Sulfonate · Sulfite (SO32-) · Sulfite dianion · SULFITE(2-)
Show all 20 names
Sulfurous acid, ION(2-) · Inorganic Sulfites · SO3 · SO3(2-) · Sulfite ions · UNII-15744271E9 · organosulfonate · organosulfonates · sulfite (so3) · sulfonates · sulphite · trioxosulfate(2-) · Sulfite (as S) · Sulfite (as SO3)
What it does: Used in food as a food additive.
Food additive
Is it a concern?: Moderate concern: no hazard classifications on record.

Why it's flagged

EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products.

The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.

Regulation

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

Recorded in these product areas

Found in consumer products
Industrial

EUEFSAConclusion on Pesticides Peer ReviewConclusion regarding the peer review of the pesticide risk assessment of the active substance dimethenamid (EFSA)
- Conclusion regarding the peer review of the pesticide risk assessment of the active substance dimethenamid (EFSA)Source →
GLOBALJECFA0-0.7 mg/kg bwJECFA evaluation lists ADI 0-0.7 mg/kg bw. Functional class: food additive.
- JECFA evaluation lists ADI 0-0.7 mg/kg bw. Functional class: food additive.Source →
USEPAcommercial use observedEPA CPDat observed this chemical in 0 composition records across product categories including unclassified products.
- EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products.Source →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
- openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

Independent scientific assessments cited by the records we hold, with the year and link where the record gives one.

JECFA
Joint FAO/WHO Expert Committee on Food Additives
- JECFA evaluation lists ADI 0-0.7 mg/kg bw. Functional class: food additive.
  Year not recorded · GLOBAL JECFA listing · Read the source →
EFSA
European Food Safety Authority
- Conclusion regarding the peer review of the pesticide risk assessment of the active substance dimethenamid (EFSA)
  2006 · EU EFSA listing · Read the source →

Evidence & sources

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

7 data sources

Where this comes from

EFSA OpenFoodTox
regulatory · updated 2026-10-04
Open →
EPA Chemical and Products Database
exposure · updated 2019-04-29
Open →
EPA DSSTox Identifiers
chemistry · updated 2025-12-29
Open →
FDA GSRS UNII
registry · updated 2026-02-26
Open →
WHO JECFA Database
regulatory · updated 2026-10-04
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.

Food use

Food-use source coverage is present in the current record.

Good fit

The ingredient appears in food-oriented source coverage or allowed-use references, which makes food use easier to support than a context with no domain signal at all.

Fragrance avoidance

No fragrance-linked caution surfaced in the current profile.

Good fit

This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.

Where it has been recorded

How often EPA CPDat has listed Sulfite in a product composition. These are source records, not Greenveil catalog products.

Named organisations

Typical roles

Food additive

See products using Sulfite →

Catalog

Found in these products

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

See all 1000+ →Find products without it →

Co-occurrence

Often appears with

Ingredients that frequently appear alongside Sulfite in the catalog.