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CAS 355-93-1 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 8682415/10/2010

OCTAFLUOROPENTYL METHACRYLATE

2-Propenoic acid, 2-methyl-, 2,2,3,3,4,4,5,5-octafluoropentyl ester

OCTAFLUOROPENTYL METHACRYLATE 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 355-93-1

CAS 355-93-1PubChem CID 67739

Octafluoropentyl methacrylate

IUPAC name: 2,2,3,3,4,4,5,5-octafluoropentyl 2-methylprop-2-enoate

Molecular formula: C9H8F8O2
Molecular weight: 300.15 g/mol
Exact mass: 300.03965479 Da
XLogP3: 3.9
Topological polar surface area: 26.3 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 10
Covalent units: 1
Defined stereocentres: 0

Also known as

1H,1H,5H-Octafluoropentyl methacrylate2,2,3,3,4,4,5,5-Octafluoropentyl methacrylateVISCOAT 8FMEINECS 206-596-02-Propenoic acid, 2-methyl-, 2,2,3,3,4,4,5,5-octafluoropentyl ester2,2,3,3,4,4,5,5-OCTAFLUOROAMYL METHACRYLATEOCTAFLUOROPENTYL METHACRYLATE [INCI]1,1,5-TRIHYDROOCTAFLUOROAMYL METHACRYLATE

16 more reported names

.ALPHA.,.ALPHA.,.OMEGA.-TRIHYDROPERFLUOROAMYL METHACRYLATEMETHACRYLIC ACID, 2,2,3,3,4,4,5,5-OCTAFLUOROPENTYL ESTERRefChem:855794ALPHA,ALPHA,OMEGA-TRIHYDROPERFLUOROAMYL METHACRYLATE206-596-01H,1H,5H-Perfluoropentyl MethacrylateC9H8F8O21h,1h,5h-octafluoropentylmethacrylate1H,1H,5H-Octafluoropentyl Methacrylate (stabilized with MEHQ)M1433Methacrylic Acid 1H,1H,5H-Octafluoropentyl EsterMethacrylic Acid 1H,1H,5H-Perfluoropentyl Ester1H,1H,5H-Octafluoropentyl Methacrylate (stabilized with TBC)UNII-N49428401JOFPMA1,1,5-Trihydroperfluoroa

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID90880131
PubMed:17381145

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 OCTAFLUOROPENTYL METHACRYLATE

INCI name

OCTAFLUOROPENTYL METHACRYLATE

Description

2-Propenoic acid, 2-methyl-, 2,2,3,3,4,4,5,5-octafluoropentyl ester

Record provenance

Inventory reference: 86824
Imported identity: OCTAFLUOROPENTYL METHACRYLATE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for OCTAFLUOROPENTYL METHACRYLATE

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Key data

CAS

355-93-1

206-596-0

Restriction

—

Function

BINDING: Providing adhesive properties during and after compression in cosmetic tablets and/or cakes.

Official EU ingredient-name evidence

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

#17741 · OCTAFLUOROPENTYL METHACRYLATE

Ingredients with overlapping formulation functions

MONTAN ACID WAXBINDING, VISCOSITY CONTROLLING

MONTAN CERAANTISTATIC, BINDING, OPACIFYING, VISCOSITY CONTROLLING

MONTAN WAXBINDING, VISCOSITY CONTROLLING

MYRISTYL TRISILOXANEBINDING, SKIN CONDITIONING - EMOLLIENT

OLEIC/LINOLEIC/LINOLENIC POLYGLYCERIDESBINDING, EMULSION STABILISING, SKIN CONDITIONING - EMOLLIENT, SURFACTANT - CLEANSING, VISCOSITY CON…

OLEOSTEARINEBINDING, SKIN CONDITIONING - EMOLLIENT

OLIGOPEPTIDE-28ANTIOXIDANT, BINDING, CHELATING, SKIN PROTECTING

OLIGOPEPTIDE-29ANTIOXIDANT, BINDING, CHELATING, SKIN PROTECTING

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 OCTAFLUOROPENTYL METHACRYLATE appears in the CosIng inventory

The CosIng inventory lists OCTAFLUOROPENTYL METHACRYLATE 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.

OCTAFLUOROPENTYL METHACRYLATE 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

OCTAFLUOROPENTYL METHACRYLATE 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, OCTAFLUOROPENTYL METHACRYLATE carries the following function designation(s):

BINDING

CAS 355-93-1 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 OCTAFLUOROPENTYL METHACRYLATE

This page reproduces the CosIng inventory entry for OCTAFLUOROPENTYL METHACRYLATE 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 OCTAFLUOROPENTYL METHACRYLATE 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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