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 colorless crystalline solid used industrially as a crosslinking agent to form stable alcohol gels. Dissolved in methanol or Freon and deposited on paper as an aerosol spray, has been used as a nonaqueous deacidication treatment.