Hierarchy classification:

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

Anotations

Scope note:

A colorless or yellowish, fuming, caustic, corrosive, water-soluble liquid, HNO3, having powerful oxidizing properties, usually obtained from ammonia or from Chile saltpeter. It is used cheifly in the manufacture of explosives and fertilizers.