1,FeCl3% min 40 2,Molecular weight : 162.21 3,Package : Plastic barrel or tank vehiCle 4,Appearance : Brownish liquid ... : Ferric chloride solution· Molecular formula : FeCl3· Molecular weight : 162.21· Package : Plastic barrel or tank vehiCle· appearance : Brownish liquid1. ... : 4-12 , particularly 6-10.3. Specification : Technical indexFCS-3FeCl3%≥40Density (20°C), g/cm3≥1.43FeCl2, %≤0.4Non-soluble ...