98% sodium borohydride intermediate

Sodium borohydride,White crystalline powder. Density: 1.074. Decomposes at 400℃. It is hygroscopic. Stable in dry air but decomposes in wet air. It is soluble in water, liquid ammonia and amines, slightly soluble in tetrahydrofuran, insoluble in ether and benzene, and reacts with water to produce hydrogen.