Is NEROL OXIDE safe to use in EU cosmetics?

NEROL OXIDE is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Always verify against the current official CosIng database before formulating.

What other records share CAS 1786-08-9?

CAS 1786-08-9 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 4087802/03/2011

NEROL OXIDE

3,6-Dihydro-4-methyl-2-(2-methyl-1-propenyl)-2H-pyran

NEROL OXIDE 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 1786-08-9

CAS 1786-08-9PubChem CID 61275

(+-)-Nerol oxide

Nerol oxide is a member of the class of pyrans that is 3,6-dihydro-2H-pyran which is substituted at positions 2 and 4 by a 2-methylprop-1-en-1-yl group and a methyl group, respectively. It has a role as a flavouring agent, an animal metabolite and a plant metabolite. It is a monoterpenoid, a member of pyrans and an olefinic compound. It is functionally related to a nerol. — ChEBI

IUPAC name: 4-methyl-2-(2-methylprop-1-enyl)-3,6-dihydro-2H-pyran

Molecular formula: C10H16O
Molecular weight: 152.23 g/mol
Exact mass: 152.120115130 Da
XLogP3: 2.2
Topological polar surface area: 9.2 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 1
Covalent units: 1
Defined stereocentres: 0

Also known as

Nerol oxide4-methyl-2-(2-methylprop-1-en-1-yl)-3,6-dihydro-2H-pyranFEMA No. 36612H-Pyran, 3,6-dihydro-4-methyl-2-(2-methyl-1-propenyl)-3,6-Dihydro-4-methyl-2-(2-methylpropenyl)-2H-pyran2H-Pyran, 3,6-dihydro-4-methyl-2-(2-methylpropenyl)-NSW8112Y7SCHEBI:144705

16 more reported names

RefChem:832380Neryl oxide3,6-Dihydro-4-methyl-2-(2-methyl-1-propenyl)-2H-pyran2H-Pyran, 3,6-dihydro-4-methyl-2-(2-methyl-1-propen-1-yl)-UNII-NSW8112Y7S3,6-DIHYDRO-4-METHYL-2-(2-METHYLPROPEN-1-YL)-2H-PYRANNEROL OXIDE, (+/-)-Neroloxide3,6-Dihydro-4-methyl-2-(2-methyl-1-propen-1-yl)-2H-pyran4-Methyl-2-(2-methyl-1-propenyl)-3,6-dihydro-2H-pyran #xi-3,6-Dihydro-4-methyl-2-(2-methyl-1-propenyl)-2H-pyranEINECS 217-241-4BRN 15629572H-Pyran, 3,6-dihydro-4-methyl-2-(2-methyl-1-propeyl)-5-17-01-00406 (Beilstein Handbook Reference)(+/-)-NEROL OXIDE

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:144705
EPA DTXSID:DTXSID6051805

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 NEROL OXIDE

INCI name

NEROL OXIDE

Description

3,6-Dihydro-4-methyl-2-(2-methyl-1-propenyl)-2H-pyran

Record provenance

Inventory reference: 40878
Imported identity: NEROL OXIDE
Source update: 02/03/2011

European Commission CosIng source notes

Annex records for NEROL OXIDE

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Key data

CAS

1786-08-9

217-241-4

Restriction

—

Function

PERFUMING: Used for perfume and aromatic raw materials.

Ingredients with overlapping formulation functions

NEPETA CATARIA FLOWER EXTRACTPERFUMING

NEPETA CATARIA OILFRAGRANCE, PERFUMING

NERALPERFUMING

NEROLPERFUMING

NEROLIDOLPERFUMING

NEROLIDOL ISOMERSPERFUMING

NEROLIDYL ACETATEPERFUMING

NERYL ACETATEPERFUMING

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 NEROL OXIDE appears in the CosIng inventory

The CosIng inventory lists NEROL OXIDE 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.

NEROL OXIDE 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

NEROL OXIDE 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, NEROL OXIDE carries the following function designation(s):

PERFUMING

CAS 1786-08-9 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 NEROL OXIDE

This page reproduces the CosIng inventory entry for NEROL OXIDE 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 NEROL OXIDE 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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