... 3R Environmental Chemical Co.,Ltd is a top level China fecl3 30% manufacturer and supplier,Website:http://www.hz3rferricchloride.com, ... . :231-729-4CAS No. :7705-08-0SYSTEMATIC NAME:FeCl3 30%OTHER NAME:Iron (III) Chloride, Iron tri ChlorideEMPIRICAL FORMULA: ... g/molAPPEARANCE: Dark brown liquidSPECIFICATIONS:Ferric chloride (as Fecl3): 30% minSpecific gravity:1.3 minInsoluble matter :0.5 % maxFree ...