# Pentaethylene glycol 4-nonylphenyl ether

URL: https://app.greenveil.ai/ingredients/ingredient_dtxsid_dtxsid50864952
Categories: beauty, industrial
Functions: Emulsifying
Identifier: DTXSID50864952

> Pentaethylene glycol 4-nonylphenyl ether: Used in cosmetics as an emulsifier. EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. Compiled from 3 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 — Nonoxynol-5 is the ethoxylated alkyl phenol that conforms generally to the formula, where n has an average value of 5.
- US: commercial use observed — EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products.

## 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/105212
- EPA Chemical and Products Database (updated 2019-03-06): https://www.canada.ca/en/health-canada/services/environmental-workplace-health/environmental-contaminants/drugs-personal-care-products/environmental-impact-initiative/commerce-list-food-drugs-act-substances/substances-cosmetics-personal-care-products-regulated-under-food-drugs-act-that-were-commerce-between-january-1-1987-september-13-2001-cas-registry.html
- 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

_Assessed by Greenveil._