# FD&C Red 4

URL: https://app.greenveil.ai/ingredients/ingredient_cas_4548_53_2
Categories: beauty, cleaning, industrial
Functions: colorant, Dye, Fragrance
Identifier: 4548-53-2

> FD&C Red 4 is used as colorant / dye. Greenveil chemical-concern score: 100/100 — Critical concern based on regulatory listings.. Assessed from 6 sources.

## Safety assessment

- Chemical concern score: 100/100 — Critical concern based on regulatory listings.
- Confidence: 4
- Rationale: Disodium 3-[(2,4-dimethyl-5-sulphonatophenyl)azo]-4-hydroxynaphthalene-1-sulphonate (Ponceaux SX; CI 14700) 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: banned — Annex II of EU Cosmetics Regulation (EC) 1223/2009: substances prohibited in cosmetic products.
- EU: allowed_listed — Annex IV of EU Cosmetics Regulation (EC) 1223/2009: colorants allowed in cosmetic products.
- US: commercial use observed — EPA CPDat observed this chemical in 449 composition records across product categories including Personal care, Laboratory supplies, Cleaning products and household care. 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._