Ammonium pentaborate is a chemical compound with the chemical formula .
Synthesis The compound can be prepared by a controlled reaction of ammonia, boric acid, and water.
Physical properties The compound forms white crystals soluble in water.
Ammonium pentaborate forms a tetrahydrate and an octahydrate .
Uses The compound is used to inhibit heat, flame, and corrosion in a variety of industrial applications.
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