Is TRIMYRISTIN safe to use in EU cosmetics?

TRIMYRISTIN 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 555-45-3?

CAS 555-45-3 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 TRIMYRISTIN?

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 3875324/01/2011

TRIMYRISTIN

Glycerol trimyristate

TRIMYRISTIN 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 555-45-3

CAS 555-45-3PubChem CID 11148

Trimyristin

Trimyristin is a triglyceride obtained by formal acylation of the three hydroxy groups of glycerol by myristic (tetradecanoic) acid. It is a triglyceride and a tetradecanoate ester. — ChEBI

IUPAC name: 2,3-di(tetradecanoyloxy)propyl tetradecanoate

Molecular formula: C45H86O6
Molecular weight: 723.2 g/mol
Exact mass: 722.64244046 Da
XLogP3: 18.7
Topological polar surface area: 78.9 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 6
Covalent units: 1
Defined stereocentres: 0

Also known as

Glycerol trimyristateGlyceryl trimyristateDynasan 114Myristic acid triglycerideTetradecanoic acid, 1,2,3-propanetriyl ester1,2,3-Propanetriol tritetradecanoateTetradecanoic acid, 1,1',1''-(1,2,3-propanetriyl) esterVP 114

16 more reported names

18L31PSR28NSC-40621,2,3-tritetradecanoyl-sn-glycerolTG(14:0/14:0/14:0)CHEBI:77391RefChem:6329209-099-7propane-1,2,3-triyl tritetradecanoateMyristinTritetradecanointrimyristoylglycerolMyristin, tri-1,2,3-TritetradecanoylglycerolC45H86O6Myristic triglycerideTracylglycerol(42:0)

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:77391
EPA DTXSID:DTXSID701014651
PubMed:29968805
PubMed:22864237
PubMed:22705642
PubMed:22615636
PubMed:22527807
PubMed:22465412
PubMed:22465062
PubMed:22197758
PubMed:22175030
PubMed:21915640
PubMed:21878620
PubMed:21553647

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 TRIMYRISTIN

INCI name

TRIMYRISTIN

Description

Glycerol trimyristate

Record provenance

Inventory reference: 38753
Imported identity: TRIMYRISTIN
Source update: 24/01/2011

European Commission CosIng source notes

Annex records for TRIMYRISTIN

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Key data

CAS

555-45-3

209-099-7

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.

#29325 · TRIMYRISTIN

Ingredients with overlapping formulation functions

TRIMETHYLPENTANEDIOL/ISOPHTHALIC ACID/TRIMELLITIC ANHYDRIDE COPOLYMERFILM FORMING, VISCOSITY CONTROLLING

TRIMETHYLSILOXYSILICATE/DIMETHICONOL CROSSPOLYMERFILM FORMING, VISCOSITY CONTROLLING

TRIMETHYLSILYL CELLULOSEFILM FORMING; HAIR FIXING; HAIR WAVING OR STRAIGHTENING; UV ABSORBER; VISCOSITY CONTROLLING

TRIMETHYLSILYL PULLULANFILM FORMING, VISCOSITY CONTROLLING

TRIOLEINSKIN CONDITIONING, VISCOSITY CONTROLLING

TRIPALMITINSKIN CONDITIONING, VISCOSITY CONTROLLING

TRIPALMITOLEINREFATTING, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, VISCOSITY CONTROLLING

TRIRICINOLEINREFATTING, 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 TRIMYRISTIN appears in the CosIng inventory

The CosIng inventory lists TRIMYRISTIN 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.

TRIMYRISTIN 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

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

CAS 555-45-3 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 TRIMYRISTIN

This page reproduces the CosIng inventory entry for TRIMYRISTIN 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 TRIMYRISTIN 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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