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InventoryRef 6007515/10/2010

T-BUTYL METHACRYLATE

2-Propenoic Acid, 2-Methyl-, 1,1- Dimethylethyl Ester

T-BUTYL METHACRYLATE is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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.

Chemical identity and properties

PubChem 2D chemical structure for CAS 585-07-9
CAS 585-07-9PubChem CID 11448

tert-Butyl methacrylate

Tert-butyl methacrylate appears as a colorless liquid with an ester like odor. Less dense than water and insoluble in water. CAMEO Chemicals

IUPAC name
tert-butyl 2-methylprop-2-enoate
Molecular formula
C8H14O2
Molecular weight
142.20 g/mol
Exact mass
142.099379685 Da
XLogP3
2.5
Topological polar surface area
26.3 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
2
Covalent units
1
Defined stereocentres
0

Also known as

T-BUTYL METHACRYLATEMethacrylic acid, tert-butyl ester2-Propenoic acid, 2-methyl-, 1,1-dimethylethyl estertert-Butyl 2-methylacrylateCCRIS 70391,1-Dimethylethyl 2-methyl-2-propenoateEINECS 209-548-7NSC 20957
16 more reported names
tert-Butyl 2-methylpropenoate1,1-dimethylethyl methacrylateBRN 1746394tert-Butyl alcohol methacrylateNSC-20957F9029V5818BUTYL METHACRYLATE, TERT-EC 209-548-7TERT-BUTYL .ALPHA.-METHACRYLATERefChem:894675T-BUTYL METHACRYLATE [INCI]TERT-BUTYL ALPHA-METHACRYLATE209-548-7tert-butylmethacrylatetert-Butyl Methacrylate Monomertert-Butyl methacrylate; >98%, stab with MEHQ
External database identifiers

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 T-BUTYL METHACRYLATE

INCI name

T-BUTYL METHACRYLATE

Description

2-Propenoic Acid, 2-Methyl-, 1,1- Dimethylethyl Ester

Record provenance

Inventory reference
60075
Imported identity
T-BUTYL METHACRYLATE
Source update
15/10/2010
European Commission CosIng source notes

Key data

Restriction
Function
FILM FORMING
Producing (upon application) a continuous film on the skin, hair or nails.

Official EU ingredient-name evidence

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

Ingredients with overlapping formulation functions

Additional official and scientific sources

11 external databases to check this identity in

How T-BUTYL METHACRYLATE appears in the CosIng inventory

The CosIng inventory lists T-BUTYL 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.

T-BUTYL 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

T-BUTYL 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, T-BUTYL METHACRYLATE carries the following function designation(s):

CAS 585-07-9 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.

Use the INCI Checker to screen a full ingredient list across selected markets, or compare this substance across all supported market datasets.

Source note for T-BUTYL METHACRYLATE

This page reproduces the CosIng inventory entry for T-BUTYL 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 T-BUTYL METHACRYLATE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

Tools & next steps

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