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CAS 2173-57-1 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 4034702/03/2011

ISOBUTYL 2-NAPHTHYL ETHER

2-Methylpropyl-2-naphthyl ether

ISOBUTYL 2-NAPHTHYL ETHER 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 2173-57-1

CAS 2173-57-1PubChem CID 16582

2-(2-Methylpropoxy)naphthalene

2-(2-Methylpropoxy)naphthalene is a member of naphthalenes. — ChEBI

IUPAC name: 2-(2-methylpropoxy)naphthalene

Molecular formula: C14H16O
Molecular weight: 200.28 g/mol
Exact mass: 200.120115130 Da
XLogP3: 4.8
Topological polar surface area: 9.2 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 1
Covalent units: 1
Defined stereocentres: 0

Also known as

Nerolin fragarolIsobutyl 2-naphthyl etherbeta-Naphthyl isobutyl etherNaphthalene, 2-(2-methylpropoxy)-Naphthalene, 2-isobutoxy-Isobutyl beta-naphthyl etherETHER, ISOBUTYL(2-NAPHTHYL)FEMA No. 3719

16 more reported names

KX47O2O15CEINECS 218-529-2BRN 3242529NAPHTHYL ISOBUTYL ETHER, 2-.BETA.-NAPHTHYL ISOBUTYL ETHER [FHFI]3-06-00-02973 (Beilstein Handbook Reference)RefChem:454243Naphthalene, 2-isobutoxy-(7CI,8CI)218-529-22-Isobutoxynaphthalene2-Naphthyl isobutyl etherbeta-Naphthol isobutyl etherFRAGAROLEfema 3719Naphthalene, 2-isobutoxy- (7CI,8CI)2-Naphthylisobutylether

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:172440
EPA DTXSID:DTXSID1051484

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 ISOBUTYL 2-NAPHTHYL ETHER

INCI name

ISOBUTYL 2-NAPHTHYL ETHER

Description

2-Methylpropyl-2-naphthyl ether

Record provenance

Inventory reference: 40347
Imported identity: ISOBUTYL 2-NAPHTHYL ETHER
Source update: 02/03/2011

European Commission CosIng source notes

Annex records for ISOBUTYL 2-NAPHTHYL ETHER

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Key data

CAS

2173-57-1

218-529-2

Restriction

—

Function

PERFUMING: Used for perfume and aromatic raw materials.

Ingredients with overlapping formulation functions

ISOBORNYL ISOVALERATEPERFUMING

ISOBORNYL METHYL ETHERPERFUMING

ISOBORNYL PROPIONATEPERFUMING

ISOBUTENYL METHYLTETRAHYDROPYRANFRAGRANCE, PERFUMING

ISOBUTYL ACETATEPERFUMING, SOLVENT

ISOBUTYL ANGELATEPERFUMING

ISOBUTYL BUTYRATEPERFUMING

ISOBUTYL 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 ISOBUTYL 2-NAPHTHYL ETHER appears in the CosIng inventory

The CosIng inventory lists ISOBUTYL 2-NAPHTHYL ETHER 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.

ISOBUTYL 2-NAPHTHYL ETHER 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

ISOBUTYL 2-NAPHTHYL ETHER 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, ISOBUTYL 2-NAPHTHYL ETHER carries the following function designation(s):

PERFUMING

CAS 2173-57-1 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 ISOBUTYL 2-NAPHTHYL ETHER

This page reproduces the CosIng inventory entry for ISOBUTYL 2-NAPHTHYL ETHER 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 ISOBUTYL 2-NAPHTHYL ETHER 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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