Fragrance avoidance
Nothing to weigh for this context yet.
We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.
- beauty
- industrial
Isobutyl methacrylate
CAS 266675-13-2
Also registered as 1 other CAS number
97-86-9
Concern score
Not assessed — no hazard data yet.
Isobutyl methacrylate in plain language
Also known as 2-Methylpropyl 2-methylprop-2-enoate · 2-Methylpropyl 2-methyl-2-propenoate · 2-Methylpropyl 2-methyl-2-propenoato · 2-Methylpropyl methacrylate · 2-Propenoic Acid, 2- Methyl-, 2-Methylpropyl Ester · CAS-97-86-9
Show all 15 names
Isobutyl 2-methyl-2-propenoate · Isobutyl 2-methylprop-2-enoate · Isobutyl Methacrylate (stabilized with HQ) · Isobutyl alpha-methacrylate · Isobutyl alpha-methylacrylate · Isobutylester kyseliny methakrylove · isobutyl ester Methacrylic acid · Propenoic acid, 2-methyl, isobutyl ester · iso-butyl methacrylate
Used in cosmetics as a film former.
- Film forming
- Film former
- Flavouring
- We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.
Regulation
No restrictions found. Isobutyl methacrylate appears in these published regulatory listings.
- Found in consumer products
- Beauty
- Industrial
EUCosIngActiveListed in CosIng inventory for cosmetic use.
- Listed in CosIng inventory for cosmetic use.Source →
USEPAcommercial use observedEPA CPDat observed this chemical in 33 composition records across product categories including Construction and building materials, Personal care, Laboratory supplies. EPA CPDat classifies this chemical for functional uses including Film former, Flavouring and nutrient, acrylics & acrylic copolymers.
- EPA CPDat observed this chemical in 33 composition records across product categories including Construction and building materials, Personal care, Laboratory supplies. EPA CPDat classifies this chemical for functional uses including Film former, Flavouring and nutrient, acrylics & acrylic copolymers.Source →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
- openFDA substance registry classifies this ingredient as chemical.Source →
Expert safety opinions
No expert opinion on file for Isobutyl methacrylate. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.
SCCS
EU Scientific Committee on Consumer Safety
No SCCS opinion on file.
CIR
Cosmetic Ingredient Review (US expert panel)
No CIR safety assessment on file.
Evidence & sources
No graded research studies for Isobutyl methacrylate yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.
Where this comes from
- Open →
CosIng
regulatory · updated 2026-09-23
- Open →
EPA Chemical and Products Database
exposure · updated 2020-03-12
- Open →
EPA DSSTox Identifiers
chemistry · updated 2025-12-29
- Open →
FDA GSRS UNII
registry · updated 2026-02-26
- Open →
openFDA Substance
registry · updated 2026-05-24
- Open →
PubChem Live Enrichment
chemistry · updated 2026-05-17
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
No signal in this context
Where it has been recorded
How often EPA CPDat has listed Isobutyl methacrylate in a product composition. These are source records, not Greenveil catalog products.
Source records
33
Named organisations
5
Construction and building materialsPersonal careLaboratory suppliesMedical/dentalRaw materials
Typical roles
Film formingFilm formerFlavouring