# FERROUS OXIDE

URL: https://app.greenveil.ai/ingredients/ingredient_cas_1345_25_1
Categories: beauty, industrial, pharma
Functions: colorant, Degradant/impurity, Dye, Pigment
Identifier: 1345-25-1

> FERROUS OXIDE is used as colorant / degradant/impurity. Greenveil chemical-concern score: 25/100 — Minor concern based on regulatory listings.. Assessed from 9 sources.

## Safety assessment

- Chemical concern score: 25/100 — Minor concern based on regulatory listings.
- Confidence: 4
- Rationale: Iron oxide is listed in Annex IV of the EU Cosmetics Regulation (EC) 1223/2009 (colorants allowed in cosmetic products).

## Regulatory status

- 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 39 composition records across product categories including Construction and building materials, Electronics/small appliances, Specialty occupational products. EPA CPDat classifies this chemical for functional uses including Dye, Pigment, Degradant/impurity.
- US: inactive ingredient database — Route: ORAL; Dosage form: TABLET; Potency: NA
- US: inactive ingredient database — Route: ORAL; Dosage form: TABLET, DELAYED RELEASE; Potency: NA
- US: inactive ingredient database — Route: ORAL; Dosage form: TABLET, EXTENDED RELEASE; Potency: NA
- US: listed in openFDA substance — openFDA substance registry classifies this ingredient as chemical.

_Assessed by Greenveil._