Is TRIISOSTEARIN safe to use in EU cosmetics?

TRIISOSTEARIN 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 26942-95-0?

CAS 26942-95-0 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 TRIISOSTEARIN?

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 3872521/11/2016

TRIISOSTEARIN

1,2,3-Propanetriyl triisooctadecanoate

TRIISOSTEARIN 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 26942-95-0

CAS 26942-95-0PubChem CID 168634

Triisostearin

IUPAC name: 2,3-bis(16-methylheptadecanoyloxy)propyl 16-methylheptadecanoate

Molecular formula: C57H110O6
Molecular weight: 891.5 g/mol
Exact mass: 890.83024122 Da
XLogP3: 24.3
Topological polar surface area: 78.9 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 6
Covalent units: 1
Defined stereocentres: 0

Also known as

Glycerin triisostearateIsostearic acid triglyceride1,2,3-Propanetriyl triisooctadecanoateGlycerol triisostearateSalacos 3318GLYCERYL TRIISOSTEARATEIsooctadecanoic acid, 1,2,3-propanetriyl esterCRODAMOL GTIS

16 more reported names

DERMOFEEL GTIAYACOL GTISSTEGOSOFT TISDUB TGISDERMOL 2EINECS 248-122-5Isooctadecanoic acid, 1,1',1''-(1,2,3-propanetriyl) esterSUN ESPOL G-318EC 248-122-5RefChem:899688TRIISOSTEARIN [INCI]TISGIsooctadecanoic acid,1,1',1''-(1,2,3-propanetriyl) esterUNII-71503RH8KGpropane-1,2,3-triyl tris(16-methylheptadecanoate)JNAYPSWVMNJOPQ-UHFFFAOYSA-N

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID10912049

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 TRIISOSTEARIN

INCI name

TRIISOSTEARIN

Description

1,2,3-Propanetriyl triisooctadecanoate

Record provenance

Inventory reference: 38725
Imported identity: TRIISOSTEARIN
Source update: 21/11/2016

European Commission CosIng source notes

Annex records for TRIISOSTEARIN

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Key data

CAS

26942-95-0

248-122-5

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.

#29233 · TRIISOSTEARIN

Ingredients with overlapping formulation functions

TRIHEPTYLUNDECANOINREFATTING, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, VISCOSITY CONTROLLING

TRIHYDROXYSTEARINSKIN CONDITIONING, VISCOSITY CONTROLLING

TRIISONONANOINSKIN CONDITIONING, VISCOSITY CONTROLLING

TRIISOPALMITINSKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, VISCOSITY CONTROLLING

TRIISOSTEARYL TRILINOLEATESKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, VISCOSITY CONTROLLING

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

TRILAURINSKIN CONDITIONING, VISCOSITY CONTROLLING

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

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 TRIISOSTEARIN appears in the CosIng inventory

The CosIng inventory lists TRIISOSTEARIN 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.

TRIISOSTEARIN 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

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

CAS 26942-95-0 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 TRIISOSTEARIN

This page reproduces the CosIng inventory entry for TRIISOSTEARIN 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 TRIISOSTEARIN 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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