two crystal(s) forms: ortho-rhomb (α) and monoclinic (β); very stable with respect to loss of NH3, losing less than 1% NH3 at 50°C and only 2% at 200°C; prepared from an aqueous solution of NH3 and boric acid; used in flameproofing formulations [HAW93] [KIR78]
AMMONIUM PENTABORATE EXTRA PURE is used in the manufacture of fire-resistant wood, fire-resistant textiles, telecommunications equipment and high-grade glass. It is mainly used in telecommunications equipment, metal protection, glass manufacturing, wood processing, high-temperature technology, fire retardants, detergents, pharmaceuticals, as well as mining, metallurgy, textiles and other industrial sectors and scientific research fields.
