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CAS 93-53-8 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 4026402/03/2011

HYDRATROPIC ALDEHYDE

2-Phenylpropionaldehyde

HYDRATROPIC ALDEHYDE 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.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 93-53-8

CAS 93-53-8PubChem CID 7146

2-Phenylpropanal

2-phenylpropanal is a member of the class of phenylacetaldehydes that is phenylacetaldehyde in which a hydrogen alpha to the aldehyde carbonyl group has been replaced by a methyl group. The major species at pH 7.3. — ChEBI

IUPAC name: 2-phenylpropanal

Molecular formula: C9H10O
Molecular weight: 134.17 g/mol
Exact mass: 134.073164938 Da
XLogP3: 1.9
Topological polar surface area: 17.1 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 1
Covalent units: 1
Defined stereocentres: 0

Also known as

2-PhenylpropionaldehydeHydratropaldehydeHydratropic aldehydeHyacinthalCumene aldehydeHydratropa aldehydeHydrotropic aldehyde2-Phenyl-1-propanal

16 more reported names

alpha-Phenylpropionaldehydealpha-FormylethylbenzeneAldehyd hydratropovyalpha-Methylphenylacetaldehydealpha-Methylbenzeneacetaldehyde2-phenylpropanaldehydealpha-Methyl-alpha-toluic aldehydeFEMA No. 28868JKX55PKZQBENZENEACETALDEHYDE, alpha-METHYL-NSC-5231CHEBI:149463RefChem:89099202-255-52-Phenylpropenal2-Phenyl propionaldehyde

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:149463
ChEMBL:CHEMBL3730701
EPA DTXSID:DTXSID0052629
PubMed:22055107
PubMed:22014326
PubMed:22012845
PubMed:21374779
PubMed:20862429
PubMed:20662513
PubMed:20448901
PubMed:19963220
PubMed:19787095
PubMed:19764730
PubMed:18983993
PubMed:17073581

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 HYDRATROPIC ALDEHYDE

INCI name

HYDRATROPIC ALDEHYDE

Description

2-Phenylpropionaldehyde

Record provenance

Inventory reference: 40264
Imported identity: HYDRATROPIC ALDEHYDE
Source update: 02/03/2011

European Commission CosIng source notes

Annex records for HYDRATROPIC ALDEHYDE

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Key data

CAS

93-53-8

202-255-5

Restriction

—

Function

PERFUMING: Used for perfume and aromatic raw materials.

Ingredients with overlapping formulation functions

HOMOLINALYL ACETATEPERFUMING

HOMONOPALPERFUMING

HYACINTHUS ORIENTALIS FLOWER EXTRACTPERFUMING, SKIN CONDITIONING

HYDRATROPIC ALCOHOLPERFUMING

HYDRATROPIC ALDEHYDE DIMETHYL ACETALPERFUMING

HYDRATROPYL ACETATEPERFUMING

HYDROCINNAMALDEHYDEPERFUMING

HYDROCINNAMYL ACETATEPERFUMING

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 HYDRATROPIC ALDEHYDE appears in the CosIng inventory

The CosIng inventory lists HYDRATROPIC ALDEHYDE 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.

HYDRATROPIC ALDEHYDE 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

HYDRATROPIC ALDEHYDE 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, HYDRATROPIC ALDEHYDE carries the following function designation(s):

PERFUMING

CAS 93-53-8 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 HYDRATROPIC ALDEHYDE

This page reproduces the CosIng inventory entry for HYDRATROPIC ALDEHYDE 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 HYDRATROPIC ALDEHYDE 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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