Ferric chlorideCAS NO.： 7705-08-0 EINECS NO.: 231-729-4 HS Code: 2827399000Appearance: Black-brown crystals, powdery and slightly lumpy. Nature: 1.Easily soluble in water;2.And strong water absorption, can absorb air moisture and deliquesce.Quality index:Test itemsTest standardsTest resultsFeCl3, % ≥9696.5Spec. gravity S.G, ≥1.41.446FeCl2, %,≤0.250.17Free Acid, %,≤0.30.23Insoluble matter, %,≤0.5≤0.1Cu, %,≤0.10.0065Zn, %,≤0.10.0524Cr, %,≤0.10.0162Pb, %,≤0.1＜0.002Ni, %,≤0.10.0064Cd, %,≤0.01＜0.001Hg, %,≤0.01＜0.001As, %,≤0.1＜0.001Application：1. Used for sewage treatment, printing and dyeing cylinder engraving, electronic industrial circuit boards, etc .;2. It is used as a waterproofing agent in the c...