Food use
Food-use source coverage is present in the current record.
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.
- beauty
- cleaning
- food
- industrial
Potassium metabisulfite
CAS 16731-55-8
Antioxidant · Biocide · Dye
Concern score
Not assessed — no hazard data yet.
Why it's flagged
EPA CPDat observed this chemical in 44 composition records across product categories including Cleaning and safety, Specialty occupational products, Home maintenance.
Regulation
No restrictions found. Potassium metabisulfite appears in these published regulatory listings.
- commercial_presence
- consumer_product_presence
- cpdat_category:beauty|cleaning|pharma|food|industrial
- definition_level:complete
- definition_type:primary
- inactive_ingredient_database
- ingredient_type:ingredient substance
- occupational_presence
USFDAinactive ingredient database7 entries — 5 administration routes
- Route: AURICULAR (OTIC); Dosage form: SOLUTION; Potency: 0.11 %w/vSource →
- Route: AURICULAR (OTIC); Dosage form: SUSPENSION; Potency: NASource →
- Route: INFILTRATION; Dosage form: INJECTION; Maximum daily exposure: 30 mgSource →
- Route: INTRAVENOUS; Dosage form: INJECTION; Potency: 0.6 mgSource →
- Route: INTRAVENOUS; Dosage form: INJECTION, SOLUTION; Potency: 0.05 %w/vSource →
- Route: ORAL; Dosage form: TABLET, COATED; Potency: 0.6 mgSource →
- Route: RECTAL; Dosage form: ENEMA; Maximum daily exposure: 282 mgSource →
USEPAcommercial use observedEPA CPDat observed this chemical in 44 composition records across product categories including Cleaning and safety, Specialty occupational products, Home maintenance. EPA CPDat classifies this chemical for functional uses including Preservative, Reducing agent, Hair waving or straightening.
- EPA CPDat observed this chemical in 44 composition records across product categories including Cleaning and safety, Specialty occupational products, Home maintenance. EPA CPDat classifies this chemical for functional uses including Preservative, Reducing agent, Hair waving or straightening.Source →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
- openFDA substance registry classifies this ingredient as chemical.Source →
Evidence
No graded sources yet for Potassium metabisulfite. We publish evidence only once a source is linked and reviewed — this ingredient is in the catalog, but has not been assessed.
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.
Good fit
Fragrance avoidance
Not a strong fit for fragrance avoidance because it carries Fragrance.
The ingredient itself is a fragrance-linked signal, so it is better treated as an avoid case when fragrance exposure is the main concern.
Where it appears
Prevalence of Potassium metabisulfite in our catalog (epa_cpdat).
Products
44
Brands
6
Cleaning and safetySpecialty occupational productsHome maintenanceLaboratory suppliesFood and drugRaw materials
Typical roles
AntioxidantBiocideDyeFillerFood preservativeFragranceHair waving or straighteningOxidizing agent