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CAS 90-87-9 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 4026702/03/2011

HYDRATROPIC ALDEHYDE DIMETHYL ACETAL

2-Phenylpropionaldehyde-dimethyl acetal

HYDRATROPIC ALDEHYDE DIMETHYL ACETAL 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 90-87-9

CAS 90-87-9PubChem CID 62336

2-Phenylpropionaldehyde dimethyl acetal

2-Phenylpropionaldehyde dimethyl acetal is a member of benzenes. — ChEBI

IUPAC name: 1,1-dimethoxypropan-2-ylbenzene

Molecular formula: C11H16O2
Molecular weight: 180.24 g/mol
Exact mass: 180.115029749 Da
XLogP3: 2.4
Topological polar surface area: 18.5 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 2
Covalent units: 1
Defined stereocentres: 0

Also known as

1,1-Dimethoxy-2-phenylpropaneHydratropic aldehyde dimethyl acetal(1,1-Dimethoxypropan-2-yl)benzeneHydratropaldehyde dimethyl acetalHydrotropic aldehyde dimethyl acetal2-Phenylpropanal dimethyl acetal2-Phenylpropanal dimethylacetalHydrotropaldehyde dimethyl acetal

16 more reported names

FEMA No. 2888BENZENE, (2,2-DIMETHOXY-1-METHYLETHYL)-(2,2-Dimethoxy-1-methylethyl)benzeneHydratropaldehyde, dimethyl acetalEINECS 202-022-8NSC 461152-Phenylpropionaldehyde-dimethyl acetalBRN 2091958H41WGL6C12AI3-28635alpha-Methylphenacetaldehyde dimethyl acetal.alpha.-Methylphenacetaldehyde dimethyl acetalNSC-461152-PHENYLPROPIONALDEHYDE DIMETHYL ACETAL [FCC]2-PHENYLPROPIONALDEHYDE DIMETHYL ACETAL [FHFI]RefChem:478220

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:169513
ChEMBL:CHEMBL3186598
EPA DTXSID:DTXSID6047109

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 DIMETHYL ACETAL

INCI name

HYDRATROPIC ALDEHYDE DIMETHYL ACETAL

Description

2-Phenylpropionaldehyde-dimethyl acetal

Record provenance

Inventory reference: 40267
Imported identity: HYDRATROPIC ALDEHYDE DIMETHYL ACETAL
Source update: 02/03/2011

European Commission CosIng source notes

Annex records for HYDRATROPIC ALDEHYDE DIMETHYL ACETAL

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Key data

CAS

90-87-9

202-022-8

Restriction

—

Function

PERFUMING: Used for perfume and aromatic raw materials.

Ingredients with overlapping formulation functions

HOMONOPALPERFUMING

HYACINTHUS ORIENTALIS FLOWER EXTRACTPERFUMING, SKIN CONDITIONING

HYDRATROPIC ALCOHOLPERFUMING

HYDRATROPIC ALDEHYDEPERFUMING

HYDRATROPYL ACETATEPERFUMING

HYDROCINNAMALDEHYDEPERFUMING

HYDROCINNAMYL ACETATEPERFUMING

HYDROCINNAMYL CINNAMATEPERFUMING

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 DIMETHYL ACETAL appears in the CosIng inventory

The CosIng inventory lists HYDRATROPIC ALDEHYDE DIMETHYL ACETAL 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 DIMETHYL ACETAL 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 DIMETHYL ACETAL 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 DIMETHYL ACETAL carries the following function designation(s):

PERFUMING

CAS 90-87-9 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 HYDRATROPIC ALDEHYDE DIMETHYL ACETAL

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