# Ethane-1,2-diyl bis(2-methylprop-2-enoate)--prop-2-en-1-yl 2-methylprop-2-enoate (1/1)

URL: https://app.greenveil.ai/ingredients/ingredient_dtxsid_dtxsid80939546
Categories: beauty, industrial
Functions: Emulsion stabilising, Opacifying, Viscosity controlling, Emulsifier, Thickener, Opacifier
Identifier: DTXSID80939546

> Ethane-1,2-diyl bis(2-methylprop-2-enoate)--prop-2-en-1-yl 2-methylprop-2-enoate (1/1): Used in cosmetics as an emulsion stabiliser, an opacifier and a thickener. EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. 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 0 composition records across product categories including unclassified products.

## Regulatory status

- EU: Active — 2-Propenoic acid, 2-methyl-, 1,2-ethenediyl ester, polymer with 2-propenyl 2-methyl-2-propenoate
- US: commercial use observed — EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Viscosity modifier, Emulsifier, Opacifer.
- 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/31423
- EPA Chemical and Products Database (updated 2019-12-20): https://ec.europa.eu/growth/tools-databases/cosing/index.cfm?fuseaction=search.details_v2&id=31423
- 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:B9J55EA6QX

_Assessed by Greenveil._