Introduce：The molecular formula of ammonium pentaborate is NH4B5O8, colorless orthorhombic crystal, soluble in water and ethylene glycol, weakly alkaline, insoluble in ethanol.

Application：Mainly used in the manufacture of telecommunication equipment and advanced glass. Used as metal protective agent, fire retardant, detergent and analytical reagent. Also used in the synthesis of boride intermediates. In addition, it has a wide range of uses in mining, metallurgy, textile, wood, industry, high temperature technology and other fields.