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CAS 179125-68-9 may appear across multiple EU annex records. The CAS lookup page shows all Annex II–VI entries sharing this identifier, useful for identifying cross-annex regulatory status of the same chemical substance.

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InventoryRef 8289415/10/2010

DIMETHYLHYDROXY DIHYDROFLAVONE

4H-1-Benzopyran-4-one, 2,3-Dihydro-3-Hydroxy-3-Methyl-2-(4-Methylphenyl)-, (2R,3R)-

DIMETHYLHYDROXY DIHYDROFLAVONE is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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Regulatory evidence by market

No rule for this ingredient has been imported for any of the 13 markets tracked here.

That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 179125-68-9

CAS 179125-68-9PubChem CID 10468234

Dimethylhydroxy dihydroflavone

IUPAC name: (2R,3R)-3-hydroxy-3-methyl-2-(4-methylphenyl)-2H-chromen-4-one

Molecular formula: C17H16O3
Molecular weight: 268.31 g/mol
Exact mass: 268.109944368 Da
XLogP3: 2.9
Topological polar surface area: 46.5 Å²
Hydrogen-bond donors: 1
Hydrogen-bond acceptors: 3
Covalent units: 1
Defined stereocentres: 2

Also known as

1I7CW0S81Ztrans-3,4'-dimethyl-3-hydroxyflavanoneFN-502S1RefChem:920335t-Flavanone, (2R,3R)-PDT67A9720Dimethylhydroxydihydroflavone (2R,3R)-Dimethylhydroxy dihydroflavone, (2R,3R)-

15 more reported names

(2R,3R)-3-hydroxy-3-methyl-2-(4-methylphenyl)-3,4-dihydro-2H-1-benzopyran-4-onetrans-3,4'-Dimethyl-3-hydroxyflavanone, (2R,3R)-t-Flavanone4H-1-Benzopyran-4-one, 2,3-dihydro-3-hydroxy-3-methyl-2-(4-methylphenyl)-, (2R,3R)-UNII-1I7CW0S81ZUNII-PDT67A9720PMUWWDBIGFMHAW-SJORKVTESA-NT-FLAVANONE, (+/-)-DIMETHYLHYDROXYDIHYDROFLAVONEDB-179137DIMETHYLHYDROXY DIHYDROFLAVONE, (+/-)-3-Hydroxy-3-methyl-2-(4-methylphenyl)-2,3-dihydro-4H-1-benzopyran-4-one(2R,3R)-3-Hydroxy-3-methyl-2-(4-methylphenyl)-2,3-dihydro-4H-1-benzopyran-4-one4H-1-BENZOPYRAN-4-ONE, 2,3-DIHYDRO-3-HYDROXY-3-METHYL-2-(4-METHYLPHENYL)-, TRANS-4H-1-BENZOPYRAN-4-ONE, 2,3-DIHYDRO-3-HYDROXY-3-METHYL-2-(4-METHYLPHENYL)-, (2R,3R)-REL-

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID50939179
PubMed:26897375
PubMed:18310908

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

Inventory details for DIMETHYLHYDROXY DIHYDROFLAVONE

INCI name

DIMETHYLHYDROXY DIHYDROFLAVONE

Description

4H-1-Benzopyran-4-one, 2,3-Dihydro-3-Hydroxy-3-Methyl-2-(4-Methylphenyl)-, (2R,3R)-

Record provenance

Inventory reference: 82894
Imported identity: DIMETHYLHYDROXY DIHYDROFLAVONE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for DIMETHYLHYDROXY DIHYDROFLAVONE

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Key data

CAS

179125-68-9

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Restriction

—

Function

HAIR CONDITIONING: Enhancing the appearance and feel of hair. Leaving the hair easy to comb, supple, soft and shiny and/or imparting volume, lightness, gloss, texture, etc.

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

#9029 · DIMETHYLHYDROXY DIHYDROFLAVONE

Ingredients with overlapping formulation functions

DIMETHYLAMINOETHYL CETEARATEHAIR CONDITIONING

DIMETHYLAMINOPROPYLAMIDO 4-PCA DIMETHICONEHAIR CONDITIONING; SKIN CONDITIONING - MISCELLANEOUS

DIMETHYLAMINOPROPYLAMIDO PCA DIMETHICONEHAIR CONDITIONING, SKIN CONDITIONING

DIMETHYLENECYCLOHEXANE BIS-HYDROXYSTEARAMIDEHAIR CONDITIONING, HUMECTANT, SKIN CONDITIONING

DIMETHYLOL ETHYLENE THIOUREAANTIMICROBIAL, HAIR CONDITIONING

DIMETHYLPABAMIDOPROPYL LAURDIMONIUM TOSYLATEANTISTATIC, HAIR CONDITIONING

DINITROGLYCERYL ALPROSTADILATEHAIR CONDITIONING; NAIL CONDITIONING

DINITROGLYCERYL DINOPROSTONATEHAIR CONDITIONING; NAIL CONDITIONING

Additional official and scientific sources

11 external databases to check this identity in

Each link searches that source for this identity. What each source is, and its legal weight

ECHA CHEM / Information on chemicals PubChem PUG REST EU Safety Gate cosmetic product alerts ECHA CHEM US EPA CompTox 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

How DIMETHYLHYDROXY DIHYDROFLAVONE appears in the CosIng inventory

The CosIng inventory lists DIMETHYLHYDROXY DIHYDROFLAVONE as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.

DIMETHYLHYDROXY DIHYDROFLAVONE is also tagged with 1 cosmetic function in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.

Frequently asked questions

DIMETHYLHYDROXY DIHYDROFLAVONE is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

According to the EU CosIng inventory, DIMETHYLHYDROXY DIHYDROFLAVONE carries the following function designation(s):

HAIR CONDITIONING

CAS 179125-68-9 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.

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Source note for DIMETHYLHYDROXY DIHYDROFLAVONE

This page reproduces the CosIng inventory entry for DIMETHYLHYDROXY DIHYDROFLAVONE from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.

Use this inventory page to research DIMETHYLHYDROXY DIHYDROFLAVONE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

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