Keywords: SODIUM BOROHYDRIDE(16940-66-2) is a white to grayish crystalline powder. SODIUM BOROHYDRIDE(16940-66-2) is decomposed by water to form sodium hydroxide, a corrosive material, and hydrogen, a flammable gas. The heat of this reaction may be sufficient to ignite the hydrogen. The material itself is easily ignited and burns vigorously once ignited. SODIUM BOROHYDRIDE(16940-66-2) is used to make other chemicals, treat waste water, and for many other uses.