Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by property]
6. acid
7. acetic acid

Anotations

Scope note:

Strong chelating agent used to sequester and remove metallic salts. A colorless crystalline compound, EDTA is used in medicine as an anticoagulant; stabilizes bleach in detergents; is used in conservation to clean stains from stone.