Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by composition]
6. inorganic material
7. [sodium and sodium compounds]
8. sodium compounds

Additional parents:

1. top of the aat hierarchies
2. Materials Facet
3. Materials
4. materials
5. materials by function
6. biological control agents
7. biocide
8. herbicide

Anotations

Scope note:

Grayish white poisonous powder once commonly used as an herbicide and insecticide but retired due to its high toxicity. It is currently used for preservation of color in zoological and botanical specimens; in taxidermy, as ingredient in soap used for cleaning and sterilizing hides.