Danger GHS05 NOAEL Data REACH Registered Cosmetic Ingredient

Phosphorus pentoxide

Also known as: Diphosphorus pentaoxide, Diphosphorus pentoxide, Phosphoric acid anhydride, PHOSPHORIC ANHYDRIDE, Phosphoric oxide (+11 more)

CAS 1314-56-3

Phosphorus pentoxide (CAS 1314-56-3) is a chemical substance with GHS signal word Danger; key hazard signal: H314. Key regulatory status: REACH registered, 2 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from ECHA CLP, EPA ToxValDB, EPA CPDat, AICIS, ECHA REACH, ILO ICSC.

View cosmetic safety profile for Phosphorus Pentoxide →

SOURCE noael studies public
NOAEL studies
6
SOURCE chemical inventory jurisdictions
Regulatory lists
2
SOURCE eu clp annex vi
GHS signal
Danger

Chemical Identity

CAS, identifiers, formula, and alternate names for the matched substance record.

SOURCE DSSTox identifiers 22 fields
Name
Phosphorus pentoxide
CAS Number
1314-56-3
DTXSID
DTXSID9047754
Molecular Formula
O10P4
InChI Key
DLYUQMMRRRQYAE-UHFFFAOYSA-N
Monoisotopic Mass
283.844194
Synonyms
Diphosphorus pentaoxideDiphosphorus pentoxidePhosphoric acid anhydridePHOSPHORIC ANHYDRIDEPhosphoric oxidePhosphoric pentoxidePhosphorus pentaoxideDiphosphorus pentaoxide (P2O5)DiphosphorpentaoxidPHOSPHORUS OXIDEEINECS 215-236-1Phosphoric acid, anhydrous

GHS / CLP Classification

EU harmonized hazard classification, hazard statements, pictograms, and signal word.

SOURCE EU CLP Annex VI (ECHA) 1 classifications
Hazard ClassH-StatementsPictogramsSignal
Skin Corr. 1AH314GHS05Danger

ICSC Chemical Safety

International Chemical Safety Card hazard and exposure summary.

SOURCE ILO/WHO International Chemical Safety Cards 1 records
FieldValue
Short-term EffectsThe substance is very corrosive to the eyes, skin and respiratory tract. Corrosive on ingestion. Inhalation of dust may cause lung oedema. See Notes. The effects may be delayed. Medical observation is indicated.
Routes of ExposureThe substance can be absorbed into the body by inhalation of its aerosol and by ingestion.

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 5 records
Chelating agentpH regulating agentFlame retardantCatalyst

Regulatory Lists

Inventory, screening, and regulatory list matches from public chemical databases.

SOURCE EPA CPDat 2 records
ListKeywordSource
Indirect additives food contact (10/2018)FDAUnited States Food and Drug Administration (FDA)
Indirect additives food contact (10/2018)FDAUnited States Food and Drug Administration (FDA)

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 6 of 6 studies
ValueUnitEndpointRouteSpeciesSource
=1mg/m3DNEL systemicinhalationHumanToxValDB_GESTIS_DNEL
51SWB7223JUNIIFDA UNII substance identifier--openFDA substances
51SWB7223JUNIIFDA UNII substance identifier--openFDA substances
51SWB7223JUNIIFDA UNII substance identifier--openFDA substances
51SWB7223JUNIIFDA UNII substance identifier--openFDA substances
1.217mg/LLC50Inhalation-NTP_ICE_acute_inhalation

Showing 6 of 6 studies

REACH Registration

Registration status from the ECHA REACH registered substances database.

SOURCE ECHA (EU) 1 records
StatusNameEC NumberLink
RegisteredDiphosphorus pentaoxide215-236-1ECHA overview →

Australian Status (AICIS)

Australian industrial chemicals inventory status and applicable conditions.

SOURCE AICIS inventory 1 records
Inventory Status
listed

Cosmetic Safety Profile

Same-CAS cosmetic ingredient record for cross-vertical context.

SOURCE CosIng / Ingredients DB
EU Status
permitted
Max
-
Category
Cosmetic Ingredient
View full cosmetic safety profile →

Frequently Asked Questions

What is the GHS hazard classification for Phosphorus pentoxide?

Phosphorus pentoxide (CAS 1314-56-3) is classified under EU CLP Annex VI as Skin Corr. 1A with signal word Danger. Hazard statements: H314. Source: EU CLP Annex VI (ECHA).

What is the NOAEL for Phosphorus pentoxide?

Phosphorus pentoxide has 6 NOAEL studies in the database. The lowest reported value is 1 mg/m3 via inhalation in Human. Source: ToxValDB_GESTIS_DNEL.

What regulatory lists include Phosphorus pentoxide?

Phosphorus pentoxide appears on 1 regulatory/inventory list including Indirect additives food contact (10/2018). Source: EPA CPDat.

Is Phosphorus pentoxide used in cosmetics?

Yes, Phosphorus pentoxide is also indexed as a cosmetic ingredient under the name Phosphorus Pentoxide. View the full cosmetic safety profile on the ingredient page for detailed safety data, SCCS opinions, and regulatory status.

Where does the safety data for Phosphorus pentoxide come from?

Safety data is sourced from ECHA CLP Annex VI, EPA ToxValDB, EPA CPDat, AICIS (Australian Industrial Chemicals Introduction Scheme), EPA DSSTox, ECHA REACH, ILO/WHO ICSC, CosIng / Ingredients DB. All data traces to primary regulatory sources and is updated from official government databases.

Does Phosphorus pentoxide have different safety status in cosmetics vs industrial chemicals?

Phosphorus pentoxide is classified GHS Danger (H314) in the chemicals database but is allowed in EU cosmetics.

Is Phosphorus pentoxide used outside industrial chemicals?

Phosphorus pentoxide also appears in cosmetics databases.