Is DILAURYL ETHER safe to use in EU cosmetics?

DILAURYL 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 4542-57-8?

CAS 4542-57-8 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 DILAURYL 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 8679915/10/2010

DILAURYL ETHER

1,1'-oxybisdodecane

DILAURYL ETHER is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

INCI Checker Compare all markets Search similar

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.

Markets and their official sources Search every market for this name

Chemical identity and properties

PubChem 2D chemical structure for CAS 4542-57-8

CAS 4542-57-8PubChem CID 20667

Dilauryl Ether

IUPAC name: 1-dodecoxydodecane

Molecular formula: C24H50O
Molecular weight: 354.7 g/mol
Exact mass: 354.386166214 Da
XLogP3: 11.2
Topological polar surface area: 9.2 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 1
Covalent units: 1
Defined stereocentres: 0

Also known as

Dodecyl etherDidodecyl etherLauryl etherdi-n-dodecyl ether1-(Dodecyloxy)dodecanen-dodecyl ether1,1'-OxybisdodecaneDodecane, 1,1'-oxybis-

16 more reported names

didodecyletherUNII-320BZ7I0LPmono-n-dodecyl ether320BZ7I0LPETHER, DIDODECYLNSC 6816NSC-6816EINECS 224-895-4COSMACOL ETHER 12DI(N-DODECYL) ETHER1-(DODCYLOXY)DODCANE1-(DODECYLOXY)DODECANAI3-09529Dodecyl ether (8CI)RefChem:134113DILAURYL ETHER [INCI]

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID5051494
PubMed:22809331
PubMed:22296569
PubMed:22248009
PubMed:22219695
PubMed:22216230
PubMed:22214540
PubMed:22212739
PubMed:22209581
PubMed:22206681
PubMed:22191882
PubMed:22123244
PubMed:21981373

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 DILAURYL ETHER

INCI name

DILAURYL ETHER

Description

1,1'-oxybisdodecane

Record provenance

Inventory reference: 86799
Imported identity: DILAURYL ETHER
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for DILAURYL ETHER

Browse

Browse EU annexes

Explore Annex II–VI to see which substances are prohibited, restricted or permitted under specific conditions.

Search annex entries

Search the annex database for entries matching DILAURYL ETHER or related substances.

Key data

CAS

4542-57-8

224-895-4

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.

#8809 · DILAURYL ETHER

Ingredients with overlapping formulation functions

DILAURETH-7 CITRATESKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

DILAUROYL 3-GLYCERYL ASCORBATEANTIOXIDANT, HUMECTANT, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

DILAUROYL TRIMETHYLOLPROPANE SILOXY SILICATESKIN CONDITIONING

DILAURYL CITRATESKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

DILINOLEIC ACIDSKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

DIMER D-PHENYLALANYL TRIPEPTIDE-75SKIN CONDITIONING

DIMER DILINOLEYL BIS-LAUROYL SARCOSINATE/MYRISTOYL METHYL BETA-ALANINATEBINDING, HAIR CONDITIONING, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

DIMER DILINOLEYL BIS-LAUROYLGLUTAMATE/LAUROYLSARCOSINATEBINDING, 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 DILAURYL ETHER appears in the CosIng inventory

The CosIng inventory lists DILAURYL 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.

DILAURYL 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

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

SKIN CONDITIONING

CAS 4542-57-8 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.

View CAS records

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

Open INCI Checker

Source note for DILAURYL ETHER

This page reproduces the CosIng inventory entry for DILAURYL 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 DILAURYL ETHER and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

View sources View updates

Tools & next steps

Check your formula

Scan a full INCI list to detect DILAURYL ETHER and any linked EU annex restrictions or allergen flags.

INCI Checker

Search similar ingredients

Find other inventory ingredients and annex entries related to DILAURYL ETHER, its identifiers or nearby name variants.