potassium thiocyanate CASï¼?333-20-0 Mï¼?Fï¼?CKNS Mï¼?Wï¼?97.17 Melting point: 172.3 Related densities: 1.886 PH: 6~8 Insoluble :%â?¤ 0.005 CL%: â?¤ 0.01 S%: â?¤ 0.001 SO4%: â?¤ 0.01 NH4%: â?¤ 0.002 Fe%: â?¤ 0.0001 Pb%: â?¤ 0.0008 Water: %â?¤ 1.0 Packing:25kg/woven kraft bag