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CAS 698-76-0 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 4051602/03/2011

DELTA-OCTALACTONE

Tetrahydro-6-propyl-2H-pyran-2-one

DELTA-OCTALACTONE 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 698-76-0

CAS 698-76-0PubChem CID 12777

Delta-Octalactone

Delta-octanolide is a delta-lactone. — ChEBI

IUPAC name: 6-propyloxan-2-one

Molecular formula: C8H14O2
Molecular weight: 142.20 g/mol
Exact mass: 142.099379685 Da
XLogP3: 1.9
Topological polar surface area: 26.3 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 2
Covalent units: 1
Defined stereocentres: 0

Also known as

delta-Octanolactone2H-Pyran-2-one, tetrahydro-6-propyl-Tetrahydro-6-propyl-2H-pyran-2-oneFEMA No. 32148AA944C37VRefChem:585688211-820-55-Hydroxyoctanoic acid lactone

16 more reported names

5-Octanolidedelta-octanolide.delta.-Octalactone5-Propyl-5-hydroxypentanoic acid lactone6-Propyltetrahydro-2H-pyran-2-oneBRN 0111515d-Octalactone6-Propyl-tetrahydropyran-2-oneCHEBI:1802865-17-09-00068 (Beilstein Handbook Reference)Tox21_302699CS-W0182885-Hydroxyoctanoic acid .delta.-lactonexi-Tetrahydro-6-propyl-2H-pyran-2-oneO02205-Octalactone

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:180286
ChEMBL:CHEMBL3182050
EPA DTXSID:DTXSID5047164
PubMed:20298116
PubMed:18598047
PubMed:18473468
PubMed:17705437
PubMed:17611931
PubMed:14682515
PubMed:12475279
PubMed:12049234
PubMed:11557075

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 DELTA-OCTALACTONE

INCI name

DELTA-OCTALACTONE

Description

Tetrahydro-6-propyl-2H-pyran-2-one

Record provenance

Inventory reference: 40516
Imported identity: DELTA-OCTALACTONE
Source update: 02/03/2011

European Commission CosIng source notes

Annex records for DELTA-OCTALACTONE

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Key data

CAS

698-76-0

211-820-5

Restriction

—

Function

PERFUMING: Used for perfume and aromatic raw materials.

Ingredients with overlapping formulation functions

DELTA-DECALACTONEFRAGRANCE, PERFUMING

DELTA-DODECALACTONEPERFUMING

DELTA-HEXALACTONEPERFUMING

DELTA-NONALACTONEPERFUMING

DELTA-UNDECALACTONEPERFUMING

DIACETYLPERFUMING

DIALLYL SULPHIDEPERFUMING

DIALLYLDISULPHIDEPERFUMING

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 DELTA-OCTALACTONE appears in the CosIng inventory

The CosIng inventory lists DELTA-OCTALACTONE 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.

DELTA-OCTALACTONE 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

DELTA-OCTALACTONE 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, DELTA-OCTALACTONE carries the following function designation(s):

PERFUMING

CAS 698-76-0 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 DELTA-OCTALACTONE

This page reproduces the CosIng inventory entry for DELTA-OCTALACTONE 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 DELTA-OCTALACTONE 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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