# HC Blue 2

URL: https://app.greenveil.ai/ingredients/ingredient_cas_33229_34_4
Categories: beauty
Functions: Dye
Identifier: 33229-34-4

> HC Blue 2 is used as dye. Greenveil chemical-concern score: 70/100 — High concern based on regulatory listings.. Assessed from 6 sources.

## Safety assessment

- Chemical concern score: 70/100 — High concern based on regulatory listings.
- Confidence: 4
- Rationale: 2,2'-[[4-[(2-Hydroxyethyl)amino]-3-nitrophenyl]imino]bisethanol (see note 17) is restricted in cosmetic products under Annex III of the EU Cosmetics Regulation (EC) 1223/2009.

## Regulatory status

- EU: restricted — Annex III of EU Cosmetics Regulation (EC) 1223/2009: substances which cosmetic products must not contain except subject to the restrictions laid down. Product types: Hair dye substance in non-oxidative hair dye products Maximum concentration: 2.8% Other conditions: - Do not use nitrosating agents - Maximum nitrosamine content: 50 microgram/Kg - Keep in nitrite-free containers Conditions of use and warnings: Can cause allergic reaction
- US: commercial use observed — EPA CPDat observed this chemical in 33 composition records across product categories including Personal care. EPA CPDat classifies this chemical for functional uses including Dye.
- US: listed in openFDA substance — openFDA substance registry classifies this ingredient as chemical.

_Assessed by Greenveil._