Color: white Specific gravity at 20 deg. C: 1.5200 Solubility (gm/100 gm) at 20 deg. C: 63.0 at 35 deg. C: 71.6 Bulk density: 680 720 kg/m3. Potassium cyanide (kcn): 98% min. (typically 99%) Potassium hydroxide (koh): 0.5% max Potassium carbonate (k2co3): 0.3% max Potassium formate (hcook): 0.5% max Potassium chloride as cl: 0.05% max Water (h2o): 0.2% max Water insolubles: 0.05% max Polyethylene bags placed in m.S drum. 50kg steel drums