Danger GHS05 NOAEL Data REACH Registered Cosmetic Ingredient

Hydroxyphenoxy propionic acid

Also known as: UNII-WSI8A5QG10, (+)-2-(4-Hydroxyphenoxy)propionic acid, (R)-(+)-2-(4-Hydroxyphenoxy)propionic acid, (R)-2-(p-Hydroxyphenoxy)propionic acid, D-2-(4-Hydroxyphenoxy)propionic acid (+3 more)

CAS 94050-90-5

Hydroxyphenoxy propionic acid (CAS 94050-90-5) is a chemical substance with GHS signal word Danger; key hazard signal: H318. Key regulatory status: REACH registered, cosmetic ingredient cross-reference; source data from ECHA CLP, EPA ToxValDB, EPA CPDat, ECHA REACH.

View cosmetic safety profile for Hydroxyphenoxy Propionic Acid →

SOURCE NOAEL studies
NOAEL studies
4
SOURCE Chemical inventory jurisdictions
Regulatory lists
0
SOURCE EU CLP Annex VI
GHS signal
Danger

Chemical Identity

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

SOURCE DSSTox identifiers 14 fields
Name
Hydroxyphenoxy propionic acid
CAS Number
94050-90-5
DTXSID
DTXSID20240360
Molecular Formula
C9H10O4
InChI Key
AQIHDXGKQHFBNW-ZCFIWIBFSA-N
Monoisotopic Mass
182.057909
Synonyms
UNII-WSI8A5QG10(+)-2-(4-Hydroxyphenoxy)propionic acid(R)-(+)-2-(4-Hydroxyphenoxy)propionic acid(R)-2-(p-Hydroxyphenoxy)propionic acidD-2-(4-Hydroxyphenoxy)propionic acidPropanoic acid, 2-(4-hydroxyphenoxy)-, (2R)-Propanoic acid, 2-(4-hydroxyphenoxy)-, (R)-Radianskin PW LS

GHS / CLP Classification

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

SOURCE EU CLP Annex VI (ECHA) 1 classifications
Hazard ClassH-StatementsPictogramsSignal
Eye Dam. 1H318GHS05Danger

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 1 records
Softener and conditioner

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 4 of 4 studies
ValueUnitEndpointRouteSpeciesSource
WSI8A5QG10UNIIFDA UNII substance identifier--openFDA substances
WSI8A5QG10UNIIFDA UNII substance identifier--openFDA substances
WSI8A5QG10UNIIFDA UNII substance identifier--openFDA substances
WSI8A5QG10UNIIFDA UNII substance identifier--openFDA substances

Showing 4 of 4 studies

REACH Registration

Registration status from the ECHA REACH registered substances database.

SOURCE ECHA 1 records
StatusNameEC NumberLink
Registered(R)-2-(4-hydroxyphenoxy)propanoic acid407-960-3ECHA overview →

Cosmetic Safety Profile

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

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

Frequently Asked Questions

What is the GHS hazard classification for Hydroxyphenoxy propionic acid?

Hydroxyphenoxy propionic acid (CAS 94050-90-5) is classified under EU CLP Annex VI as Eye Dam. 1 with signal word Danger. Hazard statements: H318. Source: EU CLP Annex VI (ECHA).

What is the NOAEL for Hydroxyphenoxy propionic acid?

Hydroxyphenoxy propionic acid has 4 NOAEL studies in the database. The lowest reported value is WSI8A5QG10 UNII. Source: openFDA substances.

Is Hydroxyphenoxy propionic acid used in cosmetics?

Yes, Hydroxyphenoxy propionic acid is also indexed as a cosmetic ingredient under the name Hydroxyphenoxy Propionic Acid. 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 Hydroxyphenoxy propionic acid come from?

Safety data is sourced from ECHA CLP Annex VI, EPA ToxValDB, EPA CPDat, EPA DSSTox, ECHA REACH, CosIng / Ingredients DB. All data traces to primary regulatory sources and is updated from official government databases.

Does Hydroxyphenoxy propionic acid have different safety status in cosmetics vs industrial chemicals?

Hydroxyphenoxy propionic acid is classified GHS Danger (H318) in the chemicals database but is allowed in EU cosmetics.

Is Hydroxyphenoxy propionic acid used outside industrial chemicals?

Hydroxyphenoxy propionic acid also appears in cosmetics databases.