Food use
Nothing to weigh for this context yet.
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.
- beauty
- cleaning
- industrial
Potassium sulfite
CAS 10117-38-1
Also registered as 1 other CAS number
126048-06-4
Concern score
Not assessed — no hazard data yet.
Potassium sulfite in plain language
Also known as Dipotassium sulfite · E-225 · E225 · Ins NO.225 · INS-225 · Dipotassium salt sulfurous acid
Show all 19 names
Potassium salt sulfurous acid · Dipotassium sulphite · Ec 233-321-1 · Potassium sulfite (K2SO3) · Sulfurous acid, potassium salt (1:2) · UNII-015KZC652E · potassium sulfite (1 - 5%) · potassium sulfite (10-15%) · potassium sulfite (5-10%) · potassium sulfite and 7757-83-7 sodium sulfite · potassium sulfite and ingred #4 · potassium sulfite. · potassium sulphite
Used in consumer products as an antioxidant and a preservative.
- Antioxidant
- Preservative
- We haven't assessed a concern score for this ingredient yet.
Regulation
No restrictions found. Potassium sulfite appears in these published regulatory listings.
- Found in consumer products
- Beauty
- Cleaning
- Industrial
USEPAcommercial use observedEPA CPDat observed this chemical in 1066 composition records across product categories including Specialty occupational products, Medical/dental, Vehicle. EPA CPDat classifies this chemical for functional uses including Preservative, Reducing agent, Antioxidant.
- EPA CPDat observed this chemical in 1066 composition records across product categories including Specialty occupational products, Medical/dental, Vehicle. EPA CPDat classifies this chemical for functional uses including Preservative, Reducing agent, Antioxidant.Source →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
- openFDA substance registry classifies this ingredient as chemical.Source →
Expert safety opinions
No expert opinion on file for Potassium sulfite. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.
SCCS
EU Scientific Committee on Consumer Safety
No SCCS opinion on file.
CIR
Cosmetic Ingredient Review (US expert panel)
No CIR safety assessment on file.
Evidence & sources
No graded research studies for Potassium sulfite yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.
Where this comes from
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.
No signal in this context
Fragrance avoidance
Nothing to weigh for this context yet.
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.
Where it has been recorded
How often EPA CPDat has listed Potassium sulfite in a product composition. These are source records, not Greenveil catalog products.
Source records
1,066
Named organisations
5
Specialty occupational productsMedical/dentalVehicleBatteriesHome maintenancePersonal care
Typical roles
AntioxidantPreservative
Found in these products
Their ingredient lists include Potassium sulfite; each product's own rating depends on its whole formula, so it is shown on the product page, not here.
