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
- industrial
- pharma
Ferrous oxide
CAS 1345-25-1 · 25/100 · High conf.
Colorant · Degradant/impurity · Dye
Concern score
25/100Minor concern based on regulatory listings.
Well researched
Why it's flagged
Iron oxide is listed in Annex IV of the EU Cosmetics Regulation (EC) 1223/2009 (colorants allowed in cosmetic 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. Ferrous oxide appears in these published regulatory listings.
- commercial_presence
- consumer_product_presence
- cpdat_category:beauty|industrial
- definition_level:complete
- definition_type:primary
- eu_annex:IV
- eu_cosmetic_allowed_colorant
- inactive_ingredient_database
EUECallowed_listedAnnex IV of EU Cosmetics Regulation (EC) 1223/2009: colorants allowed in cosmetic products.
- Annex IV of EU Cosmetics Regulation (EC) 1223/2009: colorants allowed in cosmetic products.Source →
USEPAcommercial use observedEPA CPDat observed this chemical in 39 composition records across product categories including Construction and building materials, Electronics/small appliances, Specialty occupational products. EPA CPDat classifies this chemical for functional uses including Dye, Pigment, Degradant/impurity.
- EPA CPDat observed this chemical in 39 composition records across product categories including Construction and building materials, Electronics/small appliances, Specialty occupational products. EPA CPDat classifies this chemical for functional uses including Dye, Pigment, Degradant/impurity.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 Ferrous oxide. We publish evidence only once a source is linked and reviewed — this ingredient is in the catalog, but has not been assessed.
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
Good fit
Fragrance avoidance
No fragrance-linked caution surfaced in the current profile.
This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.
Where it appears
Prevalence of Ferrous oxide in our catalog (epa_cpdat).
Products
39
Brands
6
Construction and building materialsElectronics/small appliancesSpecialty occupational productsBatteriesMedical/dentalIndustrial products
Typical roles
ColorantDegradant/impurityDyePigment
