Specification Ferric chloride (fecl3) 45% min Speciflc gravity at 30c 1.47 min Ferrous chloride 2% max Used Etching production of circuit printing plate, stainless steel, mold, souvenir badge. Regulations Un no : 1773 Cas no 10025-77-7 If interested, please feel free to let us know 280kg/pe drum 22.4mt/ 20"fcl