Fragrance avoidance
Not a strong fit for fragrance avoidance because it carries Fragrance.
The ingredient itself is a fragrance-linked signal, so it is better treated as an avoid case when fragrance exposure is the main concern.
- beauty
- industrial
- pharma
N-butyl methacrylate
CAS 55922-77-5
Also registered as 5 other CAS numbers
159172-35-7 · 1151915-97-7 · 1310566-97-2 · 1343477-79-1 · 97-88-1
Concern score
Not assessed — no hazard data yet.
N-butyl methacrylate in plain language
On cosmetic ingredient lists it appears as “Butyl methacrylate”.
Also known as Butyl methacrylate · Butyl 2-methylprop-2-enoate · 2-Methyl butylacrylate · 2-Methyl-2-propenoic acid butyl ester · 2-Methyl-butylacrylaat · 2-Methyl-butylacrylat
Show all 21 names
2-Propenoic acid, 2-methyl-, butyl ester · Acryester B · Blemmer BMA · Butil metacrilato · Butyl 2-methacrylate · Butyl 2-methyl-2-propenoate · Butyl 2-methylacrylate · Butylester kyseliny methakrylove · Butylmethacrylaat · Butylmethacrylate · Methacrylate de butyle · Methacrylsaeurebutylester · N-butyl alpha-methylacrylate · butyl methacrylate monomer · butylmethacrylate resin
Used in cosmetics as a film former, a thickener and a fragrance ingredient.
- Film forming
- Viscosity controlling
- Fragrance
- Thickener
- Film former
- Deodorant
- We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.
Regulation
No restrictions found. N-butyl methacrylate appears in these published regulatory listings.
- In marketed US drugs
- 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 25 composition records across product categories including Construction and building materials, Specialty occupational products, Raw materials. EPA CPDat classifies this chemical for functional uses including Film former, Deodorizer, Viscosity modifier.
- EPA CPDat observed this chemical in 25 composition records across product categories including Construction and building materials, Specialty occupational products, Raw materials. EPA CPDat classifies this chemical for functional uses including Film former, Deodorizer, Viscosity modifier.Source →
USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 1 active drug products and 1 total products.
- FDA NDC lists this ingredient in 1 active drug products and 1 total products.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 N-butyl 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 N-butyl 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 January 7, 2008
- Open →
EPA DSSTox Identifiers
chemistry · updated 2025-12-29
- Open →
FDA National Drug Code Directory
regulatory · updated 2027-12-31
- 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
Allergen profile
Canonical allergen markers detected on this ingredient. Each row is derived from the ingredient’s name or synonyms matching a known allergen class — useful when scanning a label for a specific allergy context.
- WheatContains · Oral (ingested)
Source: chemindex_name_match
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
Avoid
Where it has been recorded
How often EPA CPDat has listed N-butyl methacrylate in a product composition. These are source records, not Greenveil catalog products.
Source records
25
Named organisations
6
Construction and building materialsSpecialty occupational productsRaw materialsElectronics/small appliancesLaboratory suppliesPersonal care
Typical roles
Film formingViscosity controllingFragranceThickenerFilm formerDeodorant