Is TRIUNDECANOIN safe to use in EU cosmetics?

TRIUNDECANOIN 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 13552-80-2?

CAS 13552-80-2 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.

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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 3879521/11/2016

TRIUNDECANOIN

Propane-1,2,3-triyl triundecanoate

TRIUNDECANOIN 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 13552-80-2

CAS 13552-80-2PubChem CID 83574

Triundecanoin

Glycerol triundecanoate is a triglyceride. — ChEBI

IUPAC name: 2,3-di(undecanoyloxy)propyl undecanoate

Molecular formula: C36H68O6
Molecular weight: 596.9 g/mol
Exact mass: 596.50158988 Da
XLogP3: 13.8
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 triundecanoateTrihendecanoinn-TrihendecanoinUndecanoin, tri-Undecanoic acid, 1,2,3-propanetriyl esterZTT041BJ4ODUB TUAGDERMOL M-27

16 more reported names

LANOL 311 TRefChem:900644236-935-8TriundecylinPropane-1,2,3-triyl triundecanoateGlycerol triundecanoateUndecanoic acid, 1,1',1''-(1,2,3-propanetriyl) esterGLYCERYLTRIUNDECANOATE1,2,3-TriundecanoylglycerolEINECS 236-935-8UNII-ZTT041BJ4OBRN 1810343Tri-UndecanoinCaptex 82273-02-00-00859 (Beilstein Handbook Reference)?1,2,3-Triundecanoyl Glycerol

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:172766
EPA DTXSID:DTXSID3065532
PubMed:15784230
PubMed:11800053

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 TRIUNDECANOIN

INCI name

TRIUNDECANOIN

Description

Propane-1,2,3-triyl triundecanoate

Record provenance

Inventory reference: 38795
Imported identity: TRIUNDECANOIN
Source update: 21/11/2016

European Commission CosIng source notes

Annex records for TRIUNDECANOIN

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Key data

CAS

13552-80-2

236-935-8

Restriction

—

Function

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.
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.

#29524 · TRIUNDECANOIN

Ingredients with overlapping formulation functions

TRITICUM VULGARE GERM PROTEINHAIR CONDITIONING, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

TRITICUM VULGARE GLUTENBINDING, HAIR CONDITIONING, HUMECTANT, SKIN CONDITIONING

TRITICUM VULGARE PROTEINBUFFERING, FILM FORMING, HAIR CONDITIONING, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, SKIN …

TRITICUM VULGARE/AESTIVUM GRAIN EXTRACTHAIR CONDITIONING, SKIN CONDITIONING

TRYPSINHAIR CONDITIONING, SKIN CONDITIONING

TRYPTOPHANANTISTATIC, FRAGRANCE, HAIR CONDITIONING

TULIPA GESNERIANA PHYTOPLACENTA EXTRACTANTIOXIDANT, HAIR CONDITIONING, HUMECTANT, SKIN CONDITIONING

TYROSINEANTISTATIC, FRAGRANCE, HAIR CONDITIONING, SKIN CONDITIONING

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 TRIUNDECANOIN appears in the CosIng inventory

The CosIng inventory lists TRIUNDECANOIN 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.

TRIUNDECANOIN 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

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

CAS 13552-80-2 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 TRIUNDECANOIN

This page reproduces the CosIng inventory entry for TRIUNDECANOIN 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 TRIUNDECANOIN 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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