# Phthalic anhydride

URL: https://app.greenveil.ai/ingredients/ingredient_dtxsid_dtxsid2021159
Categories: industrial
Functions: Chemical reaction regulator, Flame retardant, No specific technical function, Plasticizer, backing
Identifier: DTXSID2021159

> Phthalic anhydride is used as chemical reaction regulator / flame retardant. EPA CPDat observed this chemical in 93 composition records across product categories including Construction and building materials, Laboratory supplies, Home maintenance. Assessed from 5 sources.

## Safety assessment

- Chemical concern: not yet assessed
- Rationale: EPA CPDat observed this chemical in 93 composition records across product categories including Construction and building materials, Laboratory supplies, Home maintenance.

## Regulatory status

- US: commercial use observed — EPA CPDat observed this chemical in 93 composition records across product categories including Construction and building materials, Laboratory supplies, Home maintenance. EPA CPDat classifies this chemical for functional uses including No specific technical function, backing, Plasticizer.
- US: listed in openFDA substance — openFDA substance registry classifies this ingredient as chemical.

_Assessed by Greenveil._