# Acrylate/isobutyl methacrylate/N-tert-octylacrylamide copolymer (75000 MW)

URL: https://app.greenveil.ai/ingredients/ingredient_dtxsid_dtxsid40904497
Categories: beauty
Functions: Hair fixing, Film forming
Identifier: DTXSID40904497

> Acrylate/isobutyl methacrylate/N-tert-octylacrylamide copolymer (75000 MW): Used in cosmetics as a hair fixative and a film former. EPA CPDat observed this chemical in 2 composition records across product categories including Personal care. Compiled from 5 published data sources.

## Safety assessment

- Chemical concern: not yet assessed
- Is it a concern? We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.
- Rationale: EPA CPDat observed this chemical in 2 composition records across product categories including Personal care.

## Regulatory status

- EU: Active — 2-Propenoic acid, 2-methyl-, 2-methylpropylester, polymer with 2-propenoic acid and N-(1,1,3,3-tetramethylbutyl)-2-propenamide
- US: commercial use observed — EPA CPDat observed this chemical in 2 composition records across product categories including Personal care.
- US: listed in openFDA substance — openFDA substance registry classifies this ingredient as polymer.

## Expert safety opinions

- SCCS (EU Scientific Committee on Consumer Safety): no opinion on file.
- CIR (Cosmetic Ingredient Review (US expert panel)): no opinion on file.

## Data sources

- CosIng (updated 2026-09-23): https://ec.europa.eu/growth/tools-databases/cosing/details/31660
- EPA Chemical and Products Database (updated January 7, 2008): http://www.pgproductsafety.com/productsafety/sds/SDS_2015/SDS_July_2015/Aussie_Instant_Freeze_Aerosol_Hairspray_97346215_RET_NG_2015061216215.pdf
- EPA DSSTox Identifiers (updated 2025-12-29): https://epa.figshare.com/articles/dataset/Chemistry_Dashboard_Data_DSSTox_Identifiers_Mapped_to_CAS_Numbers_and_Names/5588566
- FDA GSRS UNII (updated 2026-02-26): https://precision.fda.gov/uniisearch/
- openFDA Substance (updated 2026-05-24): https://api.fda.gov/other/substance.json?search=unii:7LL6SY9YFV

_Assessed by Greenveil._