Phenethyl Caffeate

Also known as: CAPE, 2-Propenoic acid, 3-(3,4-dihydroxyphenyl)-, 2-phenylethyl ester, 2-Phenylethyl 3-(3,4-dihydroxyphenyl)acrylate, 2-Phenylethyl caffeate, β-Phenylethyl caffeate (+2 more)

INCI: PHENETHYL CAFFEATE

Phenethyl Caffeate (CAS 104594-70-9) is a cosmetic cosmetic ingredient functioning as Antioxidant; skin-conditioning agent. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety and pharmaceutical data.

View industrial chemical safety profile for CAS 104594-70-9 →

Auto-generated CPSR Part A draft with source citations
Function
Antioxidant; skin-conditioning agent
Safety Rating
MODERATE

Chemistry & Identifiers

Formula
C17H16O4
MW
284.31 g/mol
PubChem CID
5281787
IUPAC Name
2-phenylethyl (E)-3-(3,4-dihydroxyphenyl)prop-2-enoate
InChIKey
SWUARLUWKZWEBQ-VQHVLOKHSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Not specifically regulated by FDA for cosmetics; widely studied as bioactive

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Phenethyl Caffeate.

Calculate MoS for your specific formulation with the MoS Calculator.

Sensitization AOP Dashboard

Adverse Outcome Pathway data across 5 assays (DPRA, KeratinoSens, hCLAT, LLNA, NESIL) aggregated from public sources.

DPRA Cys %
18.6%
DPRA Lys %
68.2%
KeratinoSens IC50
26.9 µM
hCLAT CV75
18.4 µg/mL
GHS: inconclusive

Source: DPRA: Cosmetics Europe; KS: Cosmetics Europe; hCLAT: Cosmetics Europe

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Antioxidant

Expert Verdict

Expert safety assessment and concern-level summary for Phenethyl Caffeate.

Known Synonyms

CAPE 2-Propenoic acid, 3-(3,4-dihydroxyphenyl)-, 2-phenylethyl ester 2-Phenylethyl 3-(3,4-dihydroxyphenyl)acrylate 2-Phenylethyl caffeate β-Phenylethyl caffeate 2-phenylethyl 3-(3,4-dihydroxyphenyl)-2-propenoate UNII-G960R9S5SK

Chemical Function

Antioxidant

Cross-Vertical Safety Context

Same-CAS public records found in pharmaceutical data.

SOURCE ChEMBL / DrugCentral / FAERS DB_PHARMA CAS match

Pharmaceutical Data

Same-CAS rows from the pharmaceutical spoke database.

Compound
CAFFEIC ACID PHENETHYL ESTER
ChEMBL ID
CHEMBL319244
View full pharmaceutical profile →

Frequently Asked Questions

Is Phenethyl Caffeate safe in cosmetics?

Phenethyl Caffeate has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.

Is Phenethyl Caffeate allowed in the EU?

Phenethyl Caffeate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Phenethyl Caffeate do in cosmetics?

Phenethyl Caffeate functions as: Antioxidant; skin-conditioning agent. It is classified as a cosmetic ingredient in our database. CAS number: 104594-70-9.

Is Phenethyl Caffeate used outside cosmetics?

Phenethyl Caffeate also appears in industrial chemical safety and pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

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Preservative

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