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InventoryRef 7677615/10/2010

ISOLONGIFOLENE EPOXIDE

Octahydro-4,4,8,8-tetramethyl-4a,7-methano-4aH-naphth[1,8a-b]oxirene; (1aR-(1aalpha,4aalpha,7a,8aS*))-Octahydro-4,4,8,8-tetramethyl-4a,7-methano-4aH-naphth(1,8a-b)oxirene

ISOLONGIFOLENE EPOXIDE 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 26619-69-2

CAS 26619-69-2PubChem CID 11264493

4a,7-Methano-4aH-naphth[1,8a-b]oxirene, octahydro-4,4,8,8-tetramethyl-, (1aR,4aR,7S,8aS)-

IUPAC name: (1R,5R,7S,9S)-2,2,8,8-tetramethyl-6-oxatetracyclo[7.2.1.01,7.05,7]dodecane

Molecular formula: C15H24O
Molecular weight: 220.35 g/mol
Exact mass: 220.182715385 Da
XLogP3: 3.8
Topological polar surface area: 12.5 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 1
Covalent units: 1
Defined stereocentres: 4

Also known as

4a,7-Methano-4aH-naphth(1,8a-b)oxirene, octahydro-4,4,8,8-tetramethyl-, (1aR,4aR,7S,8aS)-RefChem:296697VQHLGZRKOZIABH-DRABBMOASA-N(1aR,4aR,7S,8aS)-4,4,8,8-Tetramethyloctahydro-4a,7-methanonaphtho[1,8a-b]oxirene

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID50885364

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

PubChem 2D chemical structure for CAS 67999-56-8

CAS 67999-56-8PubChem CID 107035

Isolongifolene epoxide

IUPAC name: 2,2,8,8-tetramethyl-6-oxatetracyclo[7.2.1.01,7.05,7]dodecane

Molecular formula: C15H24O
Molecular weight: 220.35 g/mol
Exact mass: 220.182715385 Da
XLogP3: 3.8
Topological polar surface area: 12.5 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 1
Covalent units: 1
Defined stereocentres: 0

Also known as

Isolongifolene oxide4a,7-Methano-4aH-naphth[1,8a-b]oxirene, octahydro-4,4,8,8-tetramethyl-EINECS 247-851-6EINECS 268-066-52,2,7,7-Tetramethyl-5,6-epoxytricyclo-(6.2.1.0(1,6))undecaneOctahydro-4,4,8,8-tetramethyl-4a,7-methano-4aH-naphth[1,8a-b]oxirene2H,2alpha,4aalpha-Methanonaphthalene, 8,8alpha-epoxyoctahydro-1,1,5,5-tetramethyl-4a,7-Methano-4aH-naphth(1,8a-b)oxirene, octahydro-4,4,8,8-tetramethyl-

8 more reported names

Octahydro-4,4,8,8-tetramethyl-4a,7-methano-4aH-naphth(1,8a-b)oxireneRefChem:7918914a,7-Methano-4aH-naphth1,8a-boxirene, octahydro-4,4,8,8-tetramethyl-Octahydro-4,4,8,8-tetramethyl-4a,7-methano-4aH-naphth(1,8a-b)oxir-ene268-066-54,4,8,8-tetramethyloctahydro-4a,7-methanonaphtho[1,8a-b]oxireneOctahydro-4,4,8,8-tetramethyl-4a,7-methano-4aH-naphth(1,8a-b)oxir- ene(1aR-(1aalpha,4aalpha,7alpha,8aS*))-Octahydro-4,4,8,8-tetramethyl-4a,7-methano-4aH-naphth(1,8a-b)oxirene

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID90865307

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 ISOLONGIFOLENE EPOXIDE

INCI name

ISOLONGIFOLENE EPOXIDE

Description

Octahydro-4,4,8,8-tetramethyl-4a,7-methano-4aH-naphth[1,8a-b]oxirene; (1aR-(1aalpha,4aalpha,7a,8aS*))-Octahydro-4,4,8,8-tetramethyl-4a,7-methano-4aH-naphth(1,8a-b)oxirene

Record provenance

Inventory reference: 76776
Imported identity: ISOLONGIFOLENE EPOXIDE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for ISOLONGIFOLENE EPOXIDE

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Key data

CAS

67999-56-8 / 26619-69-2

268-066-5 / 247-851-6

Restriction

—

Function

FRAGRANCE: Imparting an odour or taste. Creating a perceivable pleasant smell and/or masking a bad smell.

Official EU ingredient-name evidence

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

#13779 · ISOLONGIFOLENE EPOXIDE

Ingredients with overlapping formulation functions

ISOBUTYL BENZOATEFRAGRANCE, PRESERVATIVE, SOLVENT

ISOBUTYL METHYL TETRAHYDROPYRANOLFRAGRANCE

ISODON TRICHOCARPUS EXTRACTFRAGRANCE, SKIN CONDITIONING

ISODONIS JAPONICUS LEAF/STALK EXTRACTFRAGRANCE, SKIN CONDITIONING

ISOLONGIFOLENE KETONE EXOFRAGRANCE

ISOPENTANALFRAGRANCE, PERFUMING

ISOPENTYL CYCLOHEXYL ACETATEFRAGRANCE, PERFUMING

ISOPENTYLCYCLOHEXANONEFRAGRANCE, PERFUMING

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 ISOLONGIFOLENE EPOXIDE appears in the CosIng inventory

The CosIng inventory lists ISOLONGIFOLENE EPOXIDE 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.

ISOLONGIFOLENE EPOXIDE 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

ISOLONGIFOLENE EPOXIDE 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, ISOLONGIFOLENE EPOXIDE carries the following function designation(s):

FRAGRANCE

CAS 67999-56-8 / 26619-69-2 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 ISOLONGIFOLENE EPOXIDE

This page reproduces the CosIng inventory entry for ISOLONGIFOLENE EPOXIDE 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 ISOLONGIFOLENE EPOXIDE 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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