Sodium borohydride powder/granule
As a strong reducing agent, Sodium borohydride exists in 98% solid & 12% solution in appearance. For solid form, it is soluble in water and alcohol (ethanol & methanol). But we have to know one thing: Sodium borohydride is dangerous chemicals. It reacts readily with water and eaction may be violent. It is incompatible with water, oxidizing agents, carbon dioxide, hydrogen halides, acids, palladium, ruthenium and other metal salts, glass etc.