Hydroxyethoxyphenyl Butanone (HEPB)

INCI: HYDROXYETHOXYPHENYL BUTANONE

Hydroxyethoxyphenyl Butanone (HEPB) (CAS 569646-79-3) is a cosmetic cosmetic ingredient functioning as Preservative, Skin Conditioning. NOAEL 100 mg/kg bw/day (cross-referenced against ToxValDB ECHA IUCLID); EU Regulation 1223/2009 status: permitted, max 0.7%. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.

View industrial chemical safety profile for CAS 569646-79-3 →

Auto-generated CPSR Part A draft with source citations
Function
Preservative, Skin Conditioning
Safety Rating
MODERATE

Chemistry & Identifiers

Formula
C12H16O3
MW
208.25 g/mol
PubChem CID
45094126
IUPAC Name
4-(3-ethoxy-4-hydroxyphenyl)butan-2-one
InChIKey
MXLOKFOWFPJWCW-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
EU Max Conc. 0.7%
US US Status restricted
US Notes Not specifically restricted; permitted for cosmetic use

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Hydroxyethoxyphenyl Butanone (HEPB).

Calculate MoS for your specific formulation with the MoS Calculator.

Pre-Calculated Safety Assessment

Pre-calculated NOAEL → SED → MoS audit trail for Hydroxyethoxyphenyl Butanone (HEPB) across SCCS product categories, with measured dermal absorption where available.

EU CosIng Annex Listing

European Commission CosIng database Annex references per Regulation (EC) No 1223/2009.

Annex V — Permitted Preservatives
Product type: Allowed for use as a preservative in rinse off, oral care and leave-on cosmetic products at a maximum concentration of 0,7 % in ready for use preparation.
Max: 0.7 %

Expanded Jurisdictional Detail

Additional regulatory detail beyond the 7-jurisdiction summary: Saudi SFDA, Korea MFDS, ASEAN ACD, Japan/Korea, Brazil/India, and cross-jurisdictional restriction entries.

SA Saudi SFDA (V - Preservatives)
Product type: Allowed for use as a preservative in rinse off, oral care and leave-on cosmetic products at a maximum concentration of 0,7 % in ready for use preparation.. Max: 0.007.
BRIN Brazil/India Cosmetics
Brazil: Permitted Preservative · max 0,7%
India: Permitted Preservative · max 0.007
Additional Jurisdictional Restrictions (1)
Jurisdiction Status Max % Product Type
BR permitted_preservative 0.7 -

Expanded Dermal Absorption Data

Cross-database dermal penetration: EPA Dryad physics-based, Roberts Mendeley permeation, and SCCS-aggregated measured values.

Aggregated DA Values (1 records across 5 sources)
Type DA % Method Skin Model SCCS Ref
measured_sccs_opinion 50.0% - - SCCS/1582/16

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Preservative Softener and conditioner
Regulatory List Membership (2)
EU Regulated in Personal Care EU CosIng Cosmetics Ingredient Database

Expert Verdict

Expert safety assessment and concern-level summary for Hydroxyethoxyphenyl Butanone (HEPB).

Regulatory Flags

preservative eu_cosing_listed

Dermal Absorption

View details ->
Absorption % Method Vehicle
50.0% SCCS opinion extraction -

Chemical Function

Preservative

Regulatory Lists

Europe; Personal care

Frequently Asked Questions

Is Hydroxyethoxyphenyl Butanone (HEPB) safe in cosmetics?

Hydroxyethoxyphenyl Butanone (HEPB) has a safety rating of "MODERATE" in our database. EU status: permitted. US status: restricted.

Is Hydroxyethoxyphenyl Butanone (HEPB) allowed in the EU?

Hydroxyethoxyphenyl Butanone (HEPB) EU regulatory status: permitted. Maximum allowed concentration: 0.7%. This is based on EU Regulation 1223/2009 and its amendments.

What does Hydroxyethoxyphenyl Butanone (HEPB) do in cosmetics?

Hydroxyethoxyphenyl Butanone (HEPB) functions as: Preservative, Skin Conditioning. It is classified as a cosmetic ingredient in our database. CAS number: 569646-79-3.

Is Hydroxyethoxyphenyl Butanone (HEPB) used outside cosmetics?

Hydroxyethoxyphenyl Butanone (HEPB) also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

Does Hydroxyethoxyphenyl Butanone (HEPB) have different safety status in cosmetics vs industrial chemicals?

Hydroxyethoxyphenyl Butanone (HEPB) is classified GHS Danger (H228, H302, H315, H319, H335, H412) in the chemicals database but is allowed in EU cosmetics at max 0.7%.

Is Hydroxyethoxyphenyl Butanone (HEPB) in Your Products?

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