Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by function]
6. solvent
7. [solvent by composition or origin]

Anotations

Scope note:

Colorless liquid solution of ammonium hydroxide in water, used as a solvent and for other purposes including the following: in cleansers and detergents to remove vegetable stains, grease, dirt, proteins, and other accretions from clothing, glass, and ceramics; in paint strippers to soften casein paints; to stain for wood, producing a deep red color in mahogany; and to extract color from grass and lichens to produce a green dye.