Hierarchy classification:

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

Anotations

Scope note:

A white granular solid that is soluble in water and slightly soluble in alcohol. It is used as a corrosion inhibitor, a mordant for printing cotton fabric; a mild cleaning agent for various metals, varnish and coated painted surfaces, and for removal of sulfate crust from stone.