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CAS 58243-85-9 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 4000002/03/2011

FORMYL ETHYL TETRAMETHYL TETRALIN

3-Ethyl-5,6,7,8-tetrahydro-5,5,8,8-tetramethylnaphthalene-2-carbaldehyde

FORMYL ETHYL TETRAMETHYL TETRALIN 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 58243-85-9

CAS 58243-85-9PubChem CID 42674

2-Naphthalenecarboxaldehyde, 3-ethyl-5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-

IUPAC name: 3-ethyl-5,5,8,8-tetramethyl-6,7-dihydronaphthalene-2-carbaldehyde

Molecular formula: C17H24O
Molecular weight: 244.37 g/mol
Exact mass: 244.182715385 Da
XLogP3: 5.3
Topological polar surface area: 17.1 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 1
Covalent units: 1
Defined stereocentres: 0

Also known as

FormylethyltetramethyltetralinTetramethylethylformyltetralin1,1,4,4-Tetramethyl-6-ethyl-7-formyltetralinEINECS 261-182-73-Ethyl-5,6,7,8-tetrahydro-5,5,8,8-tetramethylnaphthalene-2-carbaldehydeBRN 26509984-07-00-01118 (Beilstein Handbook Reference)6-Ethyl-7-formyl-1,1,4,4-tetramethyl-1,2,3,4-tetrahydronaphthalene

12 more reported names

5,6,7,8-Tetrahydro-3-ethyl-5,5,8,8-tetramethyl-2-naphthalenecarboxaldehyde2-NAPHTHALENECARBOXALDEHYDE, 5,6,7,8-TETRAHYDRO-3-ETHYL-5,5,8,8-TETRAMETHYL-3-Ethyl-5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthalenecarboxaldehydeRefChem:476389261-182-73-Ethyl-5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalene-2-carbaldehydeFETTformyl ethyl tetramethyl tetralin8ZYP294N73DB-3154093-ethyl-2-formyl-5,6,7,8-tetrahydro-5,5,8,8-tetramethylnaphthalene3-ethyl-5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naphthalenecarbaldehyde

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID7069239

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 FORMYL ETHYL TETRAMETHYL TETRALIN

INCI name

FORMYL ETHYL TETRAMETHYL TETRALIN

Description

3-Ethyl-5,6,7,8-tetrahydro-5,5,8,8-tetramethylnaphthalene-2-carbaldehyde

Record provenance

Inventory reference: 40000
Imported identity: FORMYL ETHYL TETRAMETHYL TETRALIN
Source update: 02/03/2011

European Commission CosIng source notes

Annex records for FORMYL ETHYL TETRAMETHYL TETRALIN

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Key data

CAS

58243-85-9

261-182-7

Restriction

—

Function

PERFUMING: Used for perfume and aromatic raw materials.

Ingredients with overlapping formulation functions

FOENICULUM VULGARE VULGARE FRUIT OILPERFUMING

FOKIENIA HODGINSII WOOD OILFRAGRANCE; PERFUMING

FORMALDEHYDE CYCLODECYL ETHYL ACETALPERFUMING

FORMALDEHYDE CYCLODECYL METHYL ACETALPERFUMING

FRAGARIA ANANASSA FRUITFRAGRANCE; PERFUMING; SKIN CONDITIONING - MISCELLANEOUS

FRAGARIA ANANASSA FRUIT WATERFRAGRANCE, PERFUMING

FRAGARIA ANANASSA FRUIT WATER EXTRACTSKIN CONDITIONING - EMOLLIENT; FRAGRANCE; PERFUMING

FUCUS CRISPUS THALLE EXTRACTPERFUMING

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 FORMYL ETHYL TETRAMETHYL TETRALIN appears in the CosIng inventory

The CosIng inventory lists FORMYL ETHYL TETRAMETHYL TETRALIN 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.

FORMYL ETHYL TETRAMETHYL TETRALIN 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

FORMYL ETHYL TETRAMETHYL TETRALIN 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, FORMYL ETHYL TETRAMETHYL TETRALIN carries the following function designation(s):

PERFUMING

CAS 58243-85-9 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 FORMYL ETHYL TETRAMETHYL TETRALIN

This page reproduces the CosIng inventory entry for FORMYL ETHYL TETRAMETHYL TETRALIN 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 FORMYL ETHYL TETRAMETHYL TETRALIN 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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