# PHOSPHORUS

URL: https://app.greenveil.ai/ingredients/ingredient_cas_7723_14_0
Categories: beauty, cleaning, industrial, pharma
Functions: alloy metal, Alloying element, Antioxidant, chemical component, copper alloy, Degradant/impurity, Flame retardant, improve soldering, machinability enhancer, No specific technical function, stainless steel component
Identifier: 7723-14-0

> PHOSPHORUS is used as alloy metal / alloying element. Greenveil chemical-concern score: 100/100 — Critical concern based on regulatory listings.. Assessed from 7 sources.

## Safety assessment

- Chemical concern score: 100/100 — Critical concern based on regulatory listings.
- Confidence: 4
- Rationale: Phosphorus and metalphosphides 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.
- US: commercial use observed — EPA CPDat observed this chemical in 922 composition records across product categories including Construction and building materials, Furniture and furnishings, Cleaning products and household care. EPA CPDat classifies this chemical for functional uses including No specific technical function, stainless steel component, Degradant/impurity.
- US: marketed drug occurrence — FDA NDC lists this ingredient in 619 active drug products and 699 total products.
- US: listed in openFDA substance — openFDA substance registry classifies this ingredient as chemical.

_Assessed by Greenveil._