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.
- beauty
- industrial
Bismuth oxide (Bi2O3)
CAS 11090-09-8
Also registered as 4 other CAS numbers
163831-49-0 · 477850-83-2 · 1304-76-3 · 39374-57-7
Concern score
Not assessed — no hazard data yet.
Bismuth oxide (Bi2O3) in plain language
On cosmetic ingredient lists it appears as “Bismuth iron oxide”.
Also known as Bismuth iron oxide · Bismuth oxide · Bismuth trioxide · Bismuth yellow · Bismuthous oxide · Dibismuth trioxide
Show all 15 names
Dibismoxane-1,3-dione · Bismuth oxide (Bi12.8O19.2) · Bismuth oxide (BiO1.5) · Bismuth sesquioxide · Bismuth sesquioxide (Bi2O3) · Bismuth(3+) oxide · Bismuth(III) oxide · bismuth oxide (dust or fume) · Bismuthum oxydatum
Used in cosmetics as an opacifier. Bismuth Iron Oxides is the inorganic compound prepared by reacting bismuth nitrate in acidic conditions in presence of iron nitrate.
- Opacifying
- We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.
Regulation
No restrictions found. Bismuth oxide (Bi2O3) appears in these published regulatory listings.
- Found in consumer products
- Industrial
EUCosIngActiveBismuth Iron Oxides is the inorganic compound prepared by reacting bismuth nitrate in acidic conditions in presence of iron nitrate.
- Bismuth Iron Oxides is the inorganic compound prepared by reacting bismuth nitrate in acidic conditions in presence of iron nitrate.Source →
USEPAcommercial use observedEPA CPDat observed this chemical in 18 composition records across product categories including Batteries, Laboratory supplies, Raw materials.
- EPA CPDat observed this chemical in 18 composition records across product categories including Batteries, Laboratory supplies, Raw materials.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 Bismuth oxide (Bi2O3). 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 Bismuth oxide (Bi2O3) yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
No signal in this context
Where it has been recorded
How often EPA CPDat has listed Bismuth oxide (Bi2O3) in a product composition. These are source records, not Greenveil catalog products.
Source records
18
Named organisations
1
BatteriesLaboratory suppliesRaw materialsConstruction and building materials
Typical roles
Opacifying