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
- food
- industrial
- pharma
Phosphorus pentoxide
CAS 24377-84-2
Also registered as 5 other CAS numbers
50811-86-4 · 59778-57-3 · 72906-42-4 · 2566863-42-9 · 1314-56-3
Concern score
Not assessed — no hazard data yet.
Phosphorus pentoxide in plain language
Also known as Phosphorus oxide (P2O5) · Diphosphorus pentaoxide · Diphosphorus pentaoxide (P2O5) · Diphosphorus pentoxide · Phosphoric acid anhydride · Phosphoric anhydride
Show all 14 names
Phosphoric oxide · Phosphoric pentoxide · Phosphorus oxide · Phosphorus pentaoxide · Silpower plus · phosphorus (sara iii) · phosphorus pentoxide (sara iii) · phosphorus. %(wt): 0.001-0.15.
Used in cosmetics as a pH buffer and a chelating agent.
- Buffering
- Chelating
- Chelating agent
- pH adjuster
- We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.
Regulation
No restrictions found. Phosphorus pentoxide appears in these published regulatory listings.
- Found in consumer products
- Pharma
- Food
- Industrial
EUCosIngActiveListed in CosIng inventory for cosmetic use.
- Listed in CosIng inventory for cosmetic use.Source →
USEPAcommercial use observedEPA CPDat observed this chemical in 50 composition records across product categories including Construction and building materials, Landscape/yard, Laboratory supplies. EPA CPDat classifies this chemical for functional uses including Chelating agent, pH regulating agent, Flame retardant.
- EPA CPDat observed this chemical in 50 composition records across product categories including Construction and building materials, Landscape/yard, Laboratory supplies. EPA CPDat classifies this chemical for functional uses including Chelating agent, pH regulating agent, Flame retardant.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 Phosphorus pentoxide. 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 Phosphorus pentoxide 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
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 Phosphorus pentoxide in a product composition. These are source records, not Greenveil catalog products.
Source records
50
Named organisations
5
Construction and building materialsLandscape/yardLaboratory suppliesHome maintenanceRaw materialsFood and drug
Typical roles
BufferingChelatingChelating agentpH adjuster