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Official EU label nameGlossary entry 3548

BIS-DEMETHOXYCURCUMIN

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.

0 markets with evidence
Markets checked
13
Markets with evidence
0
Evidence gaps
13
Resolved identifiers
1

Resolved substance identity

CAS:33171-05-0
Ingredient index records:
BIS-DEMETHOXYCURCUMIN
Cosmetic functions: ANTIOXIDANT

1,7-bis(4-Hydroxyphenyl)-1,6-heptadiene-3,5-dione

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1 matched or reported name
BIS-DEMETHOXYCURCUMIN

Regulatory evidence across markets

None of the 13 markets tracked here holds an imported rule under the name BIS-DEMETHOXYCURCUMIN.

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 33171-05-0
CAS 33171-05-0PubChem CID 5315472

Bisdemethoxycurcumin

Bisdemethoxycurcumin is a beta-diketone that is methane in which two of the hydrogens are substituted by 4-hydroxycinnamoyl groups. It has a role as a metabolite and an EC 3.2.1.1 (alpha-amylase) inhibitor. It is a polyphenol, an enone, a beta-diketone and a diarylheptanoid. It is functionally related to a 4-coumaric acid. — ChEBI

IUPAC name
(1E,6E)-1,7-bis(4-hydroxyphenyl)hepta-1,6-diene-3,5-dione
Molecular formula
C19H16O4
Molecular weight
308.3 g/mol
Exact mass
308.10485899 Da
XLogP3
3.3
Topological polar surface area
74.6 Ų
Hydrogen-bond donors
2
Hydrogen-bond acceptors
4
Covalent units
1
Defined stereocentres
0

Also known as

Curcumin IIIDidemethoxycurcuminbisdesmethoxycurcuminBis-demethoxycurcuminBis(p-hydroxycinnamoyl)methane1,6-Heptadiene-3,5-dione, 1,7-bis(4-hydroxyphenyl)-2EFO1BP34RCHEBI:71045
16 more reported names
bisdemethoxy-curcuminRefChem:569455607-464-9BisdemethoxycucurminBis(4-hydroxycinnamoyl)methane(E,E)-BisdemethoxycurcuminC19H16O41,7-bis(4-hydroxyphenyl)hepta-1,6-diene-3,5-dione1,6-Heptadiene-3,5-dione, 1,7-bis(4-hydroxyphenyl)-, (1E,6E)-BHCMTdi-p-coumaroylmethaneBis-desmethoxycurcuminp,p'-DihydroxydicinnamoylmethaneUNII-2EFO1BP34RCurcumin III;DidemethoxycurcuminCurcuminoid A
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External database identifiers

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 assessmentsFDA Global Substance Registration SystemILO/WHO International Chemical Safety CardsJapan NITE-CHRIPNIOSH Pocket Guide to Chemical HazardsOECD eChemPortalUS 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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