Application type Top grade Top grade Top grade Top grade Assay%,(Dry base) 99 98 97 50-55 liquid Ferrum %, 0.0001 0.0002 0.000 Molecular Formula: NaSCNMolecular Weight: 81.07Properties: NaSCN,a white rhombic system crystal, is soluble in water, ethanol, acetone; Relative density is 1.735. Melts at approx.287. decomposes on heating and under influence of light producing toxic fumes of sulfur ...