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CAS 70293-55-9 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.

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InventoryRef 9508026/04/2018

HEMA TRIMELLITATE ANHYDRIDE

5-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-, 2-[(2-methyl-1-oxo-2-propen-1-yl)oxy]ethyl ester,Methacryloyloxyethyl Trimellitic Anhydride

HEMA TRIMELLITATE ANHYDRIDE 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 70293-55-9

CAS 70293-55-9PubChem CID 51027

4-Meta

IUPAC name: 2-(2-methylprop-2-enoyloxy)ethyl 1,3-dioxo-2-benzofuran-5-carboxylate

Molecular formula: C15H12O7
Molecular weight: 304.25 g/mol
Exact mass: 304.05830272 Da
XLogP3: 2.0
Topological polar surface area: 96.0 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 7
Covalent units: 1
Defined stereocentres: 0

Also known as

4-Methacryloxyethyltrimellitic acid anhydride4-methacryloxyethyltrimellitate anhydride5-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-, 2-((2-methyl-1-oxo-2-propenyl)oxy)ethyl ester5-isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-, 2-[(2-methyl-1-oxo-2-propenyl)oxy]ethyl esterRefChem:524408274-547-02-(Methacryloyloxy)ethyl 1,3-dioxo-1,3-dihydroisobenzofuran-5-carboxylate4-Methacryloxyethyl trimellitic anhydride

16 more reported names

Acrylic solderCover-up2-(1,3-dioxo-1,3-dihydro-2-benzofuran-5-carbonyloxy)ethyl 2-methylprop-2-enoatemeta-Dent2-(methacryloyloxy)ethyl 1,3-dioxo-1,3-dihydro-2-benzofuran-5-carboxylateEINECS 274-547-04-Methacryloxyethyl trimellitate anhydrideCover-Up II2-(2-METHYLPROP-2-ENOYLOXY)ETHYL 1,3-DIOXOISOBENZOFURAN-5-CARBOXYLATERMCCONIRBZIDTH-UHFFFAOYSA-N2-(Methacryloyloxy)ethyl1,3-dioxo-1,3-dihydroisobenzofuran-5-carboxylateEX-84502-((2-Methyl-1-oxoallyl)oxy)ethyl 1,3-dihydro-1,3-dioxoisobenzofuran-5-carboxylate4-Methacryuloxyethyl Trimellitic AnhydrideAS-312264-Methacryloyloxyethyl trimellitic anhydride

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID80867916

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 HEMA TRIMELLITATE ANHYDRIDE

INCI name

HEMA TRIMELLITATE ANHYDRIDE

Description

5-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-, 2-[(2-methyl-1-oxo-2-propen-1-yl)oxy]ethyl ester,Methacryloyloxyethyl Trimellitic Anhydride

Record provenance

Inventory reference: 95080
Imported identity: HEMA TRIMELLITATE ANHYDRIDE
Source update: 26/04/2018

European Commission CosIng source notes

Annex records for HEMA TRIMELLITATE ANHYDRIDE

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Key data

CAS

70293-55-9

—

Restriction

—

Function

NAIL CONDITIONING: Improving and/or enhancing the cosmetic characteristics of the nail (moisturizing, increasing sheen, reducing brittleness and flaking, etc.).

Official EU ingredient-name evidence

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

#11720 · HEMA TRIMELLITATE ANHYDRIDE

Ingredients with overlapping formulation functions

GLYCERYL DIMETHACRYLATENAIL CONDITIONING

GLYCIDOXYPROPYL TRIMETHOXYSILANENAIL CONDITIONING

GLYCOL DIMETHACRYLATENAIL CONDITIONING

HEA SUCCINATENAIL CONDITIONING

HEXANEDIOL DIMETHACRYLATENAIL CONDITIONING

HEXYL PELARGONATEHAIR CONDITIONING; NAIL CONDITIONING; DISPERSING NON-SURFACTANT; EYELASH CONDITIONING; SKIN CONDITI…

HONEY POWDERABRASIVE, BINDING, BULKING, FLAVOURING, HAIR CONDITIONING, NAIL CONDITIONING, SKIN CONDITIONING

HORNET SILKNAIL 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 HEMA TRIMELLITATE ANHYDRIDE appears in the CosIng inventory

The CosIng inventory lists HEMA TRIMELLITATE ANHYDRIDE 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.

HEMA TRIMELLITATE ANHYDRIDE is also tagged with 1 cosmetic function 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

HEMA TRIMELLITATE ANHYDRIDE 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, HEMA TRIMELLITATE ANHYDRIDE carries the following function designation(s):

NAIL CONDITIONING

CAS 70293-55-9 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 HEMA TRIMELLITATE ANHYDRIDE

This page reproduces the CosIng inventory entry for HEMA TRIMELLITATE ANHYDRIDE 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 HEMA TRIMELLITATE ANHYDRIDE 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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