Is DIDECYL ETHER safe to use in EU cosmetics?

DIDECYL ETHER 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 2456-28-2?

CAS 2456-28-2 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.

How do I check if my formula contains DIDECYL ETHER?

Use the INCI Checker to screen a full ingredient list across selected markets, or use the substance market comparison to review this identity across all supported market datasets.

InventoryRef 8680115/10/2010

DIDECYL ETHER

1,1'-oxybisdecane

DIDECYL 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 2456-28-2

CAS 2456-28-2PubChem CID 17152

Didecyl Ether

IUPAC name: 1-decoxydecane

Molecular formula: C20H42O
Molecular weight: 298.5 g/mol
Exact mass: 298.323565959 Da
XLogP3: 9.1
Topological polar surface area: 9.2 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 1
Covalent units: 1
Defined stereocentres: 0

Also known as

Decyl etherDecane, 1,1'-oxybis-Capric ether1,1'-Oxybisdecanen-Decyl etherdicapryl etherDA81HI310ZEINECS 219-533-7

16 more reported names

NSC 83605NSC-83605COSMACOL ETHER 101,1'-OXYBIS(DECANE)Dindecyl etherDecyl ether (8CI)Decane, 1,1'oxybisRefChem:586912DIDECYL ETHER [INCI]219-533-7DI-N-DECYL ETHER1-(Decyloxy)decanedecyletherUNII-DA81HI310ZDecane,1'-oxybis-1-(Decyloxy)decane #

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID4062430
PubMed:22963510
PubMed:22670630
PubMed:22312256
PubMed:21457991
PubMed:21090819
PubMed:20041675
PubMed:19539299
PubMed:19240924
PubMed:18950119
PubMed:17425361
PubMed:16863180
PubMed:16777133

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 DIDECYL ETHER

INCI name

DIDECYL ETHER

Description

1,1'-oxybisdecane

Record provenance

Inventory reference: 86801
Imported identity: DIDECYL ETHER
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for DIDECYL ETHER

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Key data

CAS

2456-28-2

219-533-7

Restriction

—

Function

SKIN CONDITIONING: Maintaining the skin in good condition.

Official EU ingredient-name evidence

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

#8545 · DIDECYL ETHER

Ingredients with overlapping formulation functions

DICTAMNUS DASYCARPUS ROOT EXTRACTSKIN CONDITIONING

DICTYOPHORA INDUSIATA FRUITING BODY EXTRACTANTIMICROBIAL, HUMECTANT, SKIN CONDITIONING

DICTYOPTERIS POLYPODIOIDES EXTRACTSKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

DIDECENESKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

DIECKOLANTIOXIDANT, CHELATING, HAIR CONDITIONING, SKIN CONDITIONING

DIERUCIC ACIDSKIN CONDITIONING

DIETHYL ACETYL ASPARTATESKIN CONDITIONING

DIETHYL ADIPATEFRAGRANCE, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

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 DIDECYL ETHER appears in the CosIng inventory

The CosIng inventory lists DIDECYL 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.

DIDECYL 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

DIDECYL 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, DIDECYL ETHER carries the following function designation(s):

SKIN CONDITIONING

CAS 2456-28-2 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 DIDECYL ETHER

This page reproduces the CosIng inventory entry for DIDECYL 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 DIDECYL 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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Tools & next steps

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