1,FeCl3% min 40 2,Molecular weight : 162.21 3,Package : Plastic barrel or tank vehiCle 4,Appearance : Brownish ... name : Ferric chloride solution· Molecular formula : FeCl3· Molecular weight : 162.21· Package : Plastic barrel or tank vehiCle· appearance : Brownish liquid1. Usage ... .5Cu, %≤0.1Zn, %≤0.1Cr, %≤0.1Pb, %≤0.1 40% Yellow Ferric chloride solution