# 2,4-Diamino-5-methylphenoxyethanol and its salts, when used as a substance in hair dye products

URL: https://app.greenveil.ai/ingredients/ingredient_cas_141614_05_3
Categories: beauty, industrial
Functions: Hair dyeing, Colourant
Identifier: DTXSID30621727

> 2,4-Diamino-5-methylphenoxyethanol and its salts, when used as a substance in hair dye products: Used in cosmetics as a hair dye. Greenveil chemical-concern score: 100/100 — Critical concern based on regulatory listings.. Compiled from 4 published data sources.

## Safety assessment

- Chemical concern score: 100/100 — Critical concern based on regulatory listings.
- Confidence in this assessment: High
- Is it a concern? Critical concern: no hazard classifications on record. It is banned in EU cosmetics.
- Rationale: 2,4-Diamino-5-methylphenoxyethanol and its salts, when used as a substance in hair dye products is prohibited in cosmetic products under Annex II of the EU Cosmetics Regulation (EC) 1223/2009.

## Regulatory status

- EU: Active — Restriction: II/1314
- EU: Active — Cosmetics Regulation annex II / ref 1314.
- EU: banned — Annex II of EU Cosmetics Regulation (EC) 1223/2009: substances prohibited in cosmetic products.
- 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 Dye.

## 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/31159
- EU CosIng Cosmetics Regulation Annexes (updated 2010-10-21): https://ec.europa.eu/growth/tools-databases/cosing/reference/annexes/list/II
- EPA Chemical and Products Database (updated 2019-12-31): https://ec.europa.eu/growth/tools-databases/cosing/index.cfm?fuseaction=search.details_v2&id=54182
- 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._