Official EU label nameGlossary entry 4855

CAFFEIC ACID

This record confirms an official common ingredient name for EU cosmetic product labelling. It does not by itself confirm that the substance is permitted, unrestricted or safe.

Global evidence snapshot

The resolved identity has matching regulatory evidence in 0 of 13 indexed market datasets: 0 country records and 0 EU Annex records. Every result and evidence gap is listed below.

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Markets with evidence

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Resolved identifiers

Resolved substance identity

CAS:331-39-5

EC:206-361-2

Ingredient index records:

CAFFEIC ACID

Cosmetic functions: ANTIOXIDANT, FRAGRANCE

3-(3,4-Dihydroxyphenyl)-2-Propenoic acid

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1 matched or reported name

CAFFEIC ACID

Regulatory evidence across markets

None of the 13 markets tracked here holds an imported rule under the name CAFFEIC ACID.

That is a statement about this inventory, not about the law: no imported rule is not evidence that a substance is permitted. A rule may exist under a different name, under a CAS or EC number this glossary entry does not carry, or in a dataset not yet imported.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 331-39-5

CAS 331-39-5PubChem CID 689043

Caffeic Acid

3,4-dihydroxycinnamic acid appears as yellow prisms or plates (from chloroform or ligroin) or pale yellow granules. Alkaline solutions turn from yellow to orange. (NTP, 1992) — CAMEO Chemicals

IUPAC name: (E)-3-(3,4-dihydroxyphenyl)prop-2-enoic acid

Molecular formula: C9H8O4
Molecular weight: 180.16 g/mol
Exact mass: 180.04225873 Da
XLogP3: 1.2
Topological polar surface area: 77.8 Å²
Hydrogen-bond donors: 3
Hydrogen-bond acceptors: 4
Covalent units: 1
Defined stereocentres: 0

Also known as

3,4-Dihydroxycinnamic acid3,4-Dihydroxybenzeneacrylic acid3-(3,4-Dihydroxyphenyl)-2-propenoic acidCinnamic acid, 3,4-dihydroxy-2-Propenoic acid, 3-(3,4-dihydroxyphenyl)-4-(2-Carboxyethenyl)-1,2-dihydroxybenzene3-(3,4-Dihydroxyphenyl)propenoic acid4-(2'-Carboxyvinyl)-1,2-dihydroxybenzene

16 more reported names

NSC 57197U2S3A33KVMNSC-57197NSC-623438CHEBI:36281trans-3,4-Dihydroxycinnamic AcidCHEBI:164332-Propenoic acid, 3-(3,4-dihydroxyphenyl)-, (2E)-CHEBI:17395Caffeic Acid 1507caffeic acid, (E)-RefChem:6400Trans 3,4-Dihydroxycinnamic acid206-361-2(2Z)-3-(3,4-dihydroxyphenyl)prop-2-enoic acidcis-Caffeic acid

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External database identifiers

ChEBI:CHEBI:16433
ChEBI:CHEBI:36281
ChEMBL:CHEMBL145
EPA DTXSID:DTXSID901316055
PubMed:35868516
PubMed:33493636
PubMed:33301711
PubMed:31306686
PubMed:30481570
PubMed:29968957
PubMed:29071757
PubMed:28576465
PubMed:28465162
PubMed:28299617
PubMed:27720869
PubMed:27378625

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Additional authoritative substance research

Each link searches that source for this identity. A link is a research route, not a claim that the source holds an exact record. What each source is, and its legal weight

Cosmetic Ingredient Review safety assessments FDA Global Substance Registration System ILO/WHO International Chemical Safety Cards Japan NITE-CHRIP NIOSH Pocket Guide to Chemical Hazards OECD eChemPortal US EPA CompTox CTX APIs

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Official source and scope

Imported from Commission Implementing Decision (EU) 2025/1175 (dataset version EU 2025/1175). The glossary supplies common ingredient names for the ingredient list required by Article 19(1)(g); it is not an approval or safety list.

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