# D&C Red No. 31

URL: https://app.greenveil.ai/ingredients/ingredient_source_ref_annex_ref_ii_1331
Categories: beauty, industrial
Functions: colorant, Dye
Identifier: 6371-76-2

> D&C Red No. 31 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: 3-Hydroxy-4-(phenylazo)-2-naphthoic acid and its calcium salt (Pigment Red 64:1; CI 15800) 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. Maximum concentration: Not to be used in products applied on mucous membranes
- 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.
- US: listed in openFDA substance — openFDA substance registry classifies this ingredient as chemical.

_Assessed by Greenveil._