What function does DIETHYLAMINOETHYL STEARATE serve in cosmetics?

According to the EU CosIng inventory, DIETHYLAMINOETHYL STEARATE carries the following function designation(s): CLEANSING, FOAMING, HAIR CONDITIONING, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING.

What other records share CAS 3179-81-5?

CAS 3179-81-5 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 DIETHYLAMINOETHYL STEARATE?

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 7570815/10/2010

DIETHYLAMINOETHYL STEARATE

2-(diethylamino)ethyl stearate

DIETHYLAMINOETHYL STEARATE 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 3179-81-5

CAS 3179-81-5PubChem CID 18512

Diethylaminoethyl stearate

IUPAC name: 2-(diethylamino)ethyl octadecanoate

Molecular formula: C24H49NO2
Molecular weight: 383.7 g/mol
Exact mass: 383.376329806 Da
XLogP3: 9.3
Topological polar surface area: 29.5 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 3
Covalent units: 1
Defined stereocentres: 0

Also known as

2-(Diethylamino)ethyl stearateOctadecanoic acid, 2-(diethylamino)ethyl ester1M3B047X4D(DIETHYLAMINO)ETHYL STEARATEWARCHEM 1Stearic acid, 2-(diethylamino)ethyl esterRefChem:587342DIETHYLAMINOETHYL STEARATE [INCI]

5 more reported names

2-(Diethylamino)ethylstearateUNII-1M3B047X4DEINECS 221-662-9QZJDYFVPLXBWTK-UHFFFAOYSA-NDB-250729

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID0062896

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 DIETHYLAMINOETHYL STEARATE

INCI name

DIETHYLAMINOETHYL STEARATE

Description

2-(diethylamino)ethyl stearate

Record provenance

Inventory reference: 75708
Imported identity: DIETHYLAMINOETHYL STEARATE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for DIETHYLAMINOETHYL STEARATE

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Key data

CAS

3179-81-5

221-662-9

Restriction

—

Function

CLEANSING: Helping to keep the body surface clean.
FOAMING: Trapping numerous small bubbles of air or other gas within a small volume of liquid by modifying the surface tension of the liquid.
HAIR CONDITIONING: Enhancing the appearance and feel of hair. Leaving the hair easy to comb, supple, soft and shiny and/or imparting volume, lightness, gloss, texture, etc.
SURFACTANT - CLEANSING: Wetting body surfaces, emulsifying or solubilizing oils, and suspending soil (generally, such ingredients contribute to the foaming and lathering properties of cleansing products).
SURFACTANT - EMULSIFYING: Helping suspensions or dispersions of liquids in a second liquid by reducing the surface tension of the substances to be emulsified.

Official EU ingredient-name evidence

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

#8585 · DIETHYLAMINOETHYL STEARATE

Ingredients with overlapping formulation functions

DEA-MYRISTYL SULFATECLEANSING, FOAMING, SURFACTANT - CLEANSING

DIAMMONIUM LAURYL SULFOSUCCINATECLEANSING, FOAMING, SKIN CONDITIONING, SURFACTANT - CLEANSING, SURFACTANT - HYDROTROPE

DIETHYLAMINOETHYL PEG-5 COCOATECLEANSING, FOAMING, HAIR CONDITIONING, SURFACTANT - CLEANSING

DIETHYLAMINOETHYL PEG-5 LAURATEANTISTATIC, CLEANSING, FOAMING, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

DISODIUM CAPROAMPHODIACETATEANTISTATIC, CLEANSING, FOAMING, HAIR CONDITIONING, SURFACTANT - CLEANSING, SURFACTANT - HYDROTROPE

DISODIUM CAPROAMPHODIPROPIONATECLEANSING, FOAMING, HAIR CONDITIONING, SURFACTANT - CLEANSING, SURFACTANT - FOAM BOOSTING, SURFACTA…

DISODIUM CAPRYLOAMPHODIACETATEANTISTATIC, CLEANSING, FOAMING, HAIR CONDITIONING, SURFACTANT - CLEANSING, SURFACTANT - FOAM BOOSTI…

DISODIUM CAPRYLOAMPHODIPROPIONATECLEANSING, FOAMING, HAIR CONDITIONING, SURFACTANT - CLEANSING, SURFACTANT - FOAM BOOSTING, SURFACTA…

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 DIETHYLAMINOETHYL STEARATE appears in the CosIng inventory

The CosIng inventory lists DIETHYLAMINOETHYL STEARATE 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.

DIETHYLAMINOETHYL STEARATE is also tagged with 5 cosmetic functions 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

DIETHYLAMINOETHYL STEARATE 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, DIETHYLAMINOETHYL STEARATE carries the following function designation(s):

CAS 3179-81-5 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 DIETHYLAMINOETHYL STEARATE

This page reproduces the CosIng inventory entry for DIETHYLAMINOETHYL STEARATE 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 DIETHYLAMINOETHYL STEARATE 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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