# Naphthalene

URL: https://app.greenveil.ai/ingredients/ingredient_cas_91_20_3
Categories: beauty, cleaning, industrial, pharma
Functions: carbon black, component, aromatic naphtha, type 1, Degradant/impurity, feedstock, carbon black, Flavouring and nutrient, Fragrance, No specific technical function, Pigment, Solvent, Surfactant (surface active agent)
Identifier: 91-20-3

> Naphthalene is used as carbon black / component, aromatic naphtha, type 1. Greenveil chemical-concern score: 100/100 — Critical concern driven by cmr.. Assessed from 7 sources.

## Safety assessment

- Chemical concern score: 100/100 — Critical concern driven by cmr.
- Confidence: 4
- Rationale: Naphthalene 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. CMR: Carcinogenic Cat. 2()
- US: commercial use observed — EPA CPDat observed this chemical in 1231 composition records across product categories including Construction and building materials, Home maintenance, Specialty occupational products. EPA CPDat classifies this chemical for functional uses including Flavouring and nutrient, Surfactant (surface active agent), No specific technical function.
- US: marketed drug occurrence — FDA NDC lists this ingredient in 25 active drug products and 27 total products.
- US: listed in openFDA substance — openFDA substance registry classifies this ingredient as chemical.

_Assessed by Greenveil._