... CRYSTAL,STRONG HUMIDITY ABSORBABILITY AND CAN PRODUCE ITS DEHYDRATE AND HEXAHYDRATE.EASY SOLUBLE IN WATER,ET DARK GREENISH-BROWN CRYSTAL,STRONG ... HUMIDITY ABSORBABILITY AND CAN PRODUCE ITS DEHYDRATE AND HEXAHYDRATE.EASY SOLUBLE IN WATER,ETHANOL,ACETONE,ALSO IN LIQUID SULFUR ... AGENT IN ORGANIC INDUSTRY,COLORING AGENT IN GLASS INDUSTRY. Ferric Chloride