# HC Blue 9 base

URL: https://app.greenveil.ai/ingredients/ingredient_cas_114087_41_1
Categories: beauty, industrial
Functions: Hair dyeing, Colourant
Identifier: 114087-41-1

> HC Blue 9 base: 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: 3-[[4-[Ethyl(2-Hydroxyethyl)Amino]-2-Nitrophe nyl]Amino]-1,2-Propanediol 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 — Cosmetics Regulation annex II / ref 1327.
- EU: Active — Restriction: II/1327
- 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/31172
- EU CosIng Cosmetics Regulation Annexes (updated 2023-06-08): https://ec.europa.eu/growth/tools-databases/cosing/reference/annexes/list/II
- EPA Chemical and Products Database (updated 2020-02-13): https://ec.europa.eu/growth/tools-databases/cosing/index.cfm?fuseaction=search.details_v2&id=34197
- 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._