What does tert-Butyl acetate do?

Used in cosmetics as a solvent.

Is tert-Butyl acetate safe?

We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

beauty
cleaning
industrial

tert-Butyl acetate

CAS 540-88-5

Concern score

Not assessed — no hazard data yet.

tert-Butyl acetate in plain language

What it is: On cosmetic ingredient lists it appears as “T-butyl acetate”.
Also known as T-butyl acetate · 1,1-Dimethyl acetate · 1,1-Dimethylethyl acetate · 1,1-dimethylethyl ester · 2-Acetoxy-2-methylpropane · Acetate de tert-butyle
Show all 18 names
Acetic acid tert-butyl ester · Acetic acid, 1,1-dimethylethyl ester · Acetic acid, 1,1-dimethylethyl esterUN 1123 · Butyl acetate, tert- · Essigsaeure-tert-butylester · Texaco lead appreciator · acetato de terc-butilo · t-BUTYLACETATE · tert-Butyl ester of acetic acid · tert-Butyl ethanoate · tert-butyl acetate (sara iii) · tert-butylacetate
What it does: Used in cosmetics as a solvent.
Solvent
Is it a concern?: We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

Regulation

No restrictions found. tert-Butyl acetate appears in these published regulatory listings.

Recorded in these product areas

Found in consumer products
Cleaning
Industrial

EUCosIngActiveListed in CosIng inventory for cosmetic use.
- Listed in CosIng inventory for cosmetic use.Source →
USEPAcommercial use observedEPA CPDat observed this chemical in 14 composition records across product categories including Raw materials, Home maintenance, Laboratory supplies. EPA CPDat classifies this chemical for functional uses including Solvent, Solubility enhancer.
- EPA CPDat observed this chemical in 14 composition records across product categories including Raw materials, Home maintenance, Laboratory supplies. EPA CPDat classifies this chemical for functional uses including Solvent, Solubility enhancer.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 tert-Butyl acetate. 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 tert-Butyl acetate yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

6 data sources

Where this comes from

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 GSRS UNII
registry · updated 2026-02-26
Open →
openFDA Substance
registry · updated 2026-05-24
Open →
PubChem Live Enrichment
chemistry · updated 2026-05-17
Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Fragrance avoidance

Nothing to weigh for this context yet.

No signal in this context

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.

Where it has been recorded

How often EPA CPDat has listed tert-Butyl acetate in a product composition. These are source records, not Greenveil catalog products.

Source records

Named organisations

Raw materialsHome maintenanceLaboratory suppliesVehicle

Typical roles

Solvent

See products using tert-Butyl acetate →