# ACID RED 52

URL: https://app.greenveil.ai/ingredients/ingredient_cas_3520_42_1
Categories: beauty, cleaning, industrial
Functions: colorant, Dye, Fragrance
Identifier: 3520-42-1

> ACID RED 52 is used as colorant / dye. Greenveil chemical-concern score: 70/100 — High concern based on regulatory listings.. Assessed from 7 sources.

## Safety assessment

- Chemical concern score: 70/100 — High concern based on regulatory listings.
- Confidence: 4
- Rationale: Hydrogen 3,6-bis(diethylamino)-9-(2,4-disulphonatophenyl)xanthylium, sodium salt; CI 45100 (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: (a) Hair dye substance in oxidative hair dye products (b) Hair dye substance in non-oxidative hair dye products Maximum concentration: (b) 0.6% Other conditions: (a) After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 1.5%. Conditions of use and warnings: a) To be printed on the label: The mixing ratio. “ Hair colourants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary ‘black henna’ tattoos may increase your risk of allergy. Do not colour your hair if: — you have a rash on your face or sensitive, irritated and damaged scalp,— you have ever…
- EU: allowed_listed — Annex IV of EU Cosmetics Regulation (EC) 1223/2009: colorants allowed in cosmetic products. Maximum concentration: Rinse-off products
- US: commercial use observed — EPA CPDat observed this chemical in 71 composition records across product categories including Laboratory supplies, Raw materials, Cleaning and safety. EPA CPDat classifies this chemical for functional uses including Dye, Fragrance.
- US: listed in openFDA substance — openFDA substance registry classifies this ingredient as chemical.

_Assessed by Greenveil._