Is TRILAURIN safe to use in EU cosmetics?

TRILAURIN 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 538-24-9?

CAS 538-24-9 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.

How do I check if my formula contains TRILAURIN?

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 3873224/01/2011

TRILAURIN

Glycerol trilaurate

TRILAURIN 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 538-24-9

CAS 538-24-9PubChem CID 10851

Trilaurin

Trilaurin is a triglyceride obtained by formal acylation of the three hydroxy groups of glycerol by lauric (dodecanoic) acid. It is a triglyceride and a dodecanoate ester. — ChEBI

IUPAC name: 2,3-di(dodecanoyloxy)propyl dodecanoate

Molecular formula: C39H74O6
Molecular weight: 639.0 g/mol
Exact mass: 638.54854008 Da
XLogP3: 15.4
Topological polar surface area: 78.9 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 6
Covalent units: 1
Defined stereocentres: 0

Also known as

Glyceryl tridodecanoateGlyceryl trilaurateTridodecanoinGlycerin trilaurateTrilauroylglycerolLauric acid triglycerideTridodecanoyl glycerolLauric acid triglycerin ester

16 more reported names

7FP2Z3RVUVDynasan 112Dodecanoic acid, 1,2,3-propanetriyl esterNSC-4061Dodecanoic acid, 1,1',1''-(1,2,3-propanetriyl) esterCHEBI:77389RefChem:899691208-687-0Glycerol trilaurate1,2,3-TridodecanoylglycerolLaurin, tri-propane-1,2,3-triyl tridodecanoateUNII-7FP2Z3RVUVNSC 4061Trilauroyl-glycerolTrilaurin (Standard)

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:77389
EPA DTXSID:DTXSID80904390
PubMed:22228944
PubMed:22047101
PubMed:21762508
PubMed:21738729
PubMed:21361127
PubMed:21099141
PubMed:20957115
PubMed:20924709
PubMed:20811010
PubMed:20600093
PubMed:20438738
PubMed:20233369

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 TRILAURIN

INCI name

TRILAURIN

Description

Glycerol trilaurate

Record provenance

Inventory reference: 38732
Imported identity: TRILAURIN
Source update: 24/01/2011

European Commission CosIng source notes

Annex records for TRILAURIN

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Key data

CAS

538-24-9

208-687-0

Restriction

—

Function

SKIN CONDITIONING: Maintaining the skin in good condition.
VISCOSITY CONTROLLING: Increasing or decreasing the viscosity (thickness) of cosmetics.

Official EU ingredient-name evidence

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

#29244 · TRILAURIN

Ingredients with overlapping formulation functions

TRIISOPALMITINSKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, VISCOSITY CONTROLLING

TRIISOSTEARINSKIN CONDITIONING, VISCOSITY CONTROLLING

TRIISOSTEARYL TRILINOLEATESKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, VISCOSITY CONTROLLING

TRILANETH-4 PHOSPHATESURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING, VISCOSITY CONTROLLING

TRILINOLEIC ACIDREFATTING, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, VISCOSITY CONTROLLING

TRILINOLEINSKIN CONDITIONING, VISCOSITY CONTROLLING

TRILINOLENINREFATTING, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, VISCOSITY CONTROLLING

TRIMETHOXYSILYLETHYL BUTYL DIMETHICONEVISCOSITY CONTROLLING; DISPERSING NON-SURFACTANT; SURFACE MODIFIER; SURFACTANT

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 TRILAURIN appears in the CosIng inventory

The CosIng inventory lists TRILAURIN 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.

TRILAURIN is also tagged with 2 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

TRILAURIN 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, TRILAURIN carries the following function designation(s):

CAS 538-24-9 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 TRILAURIN

This page reproduces the CosIng inventory entry for TRILAURIN 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 TRILAURIN 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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