We are offering mercuric iodide red ar hgi2 m.w. 454.40 minimum assay 99% max. Limits of impurities : iron 0.001% mercurous mercury(as hg) 0.1% soluble mercury salt(as hg) 0.05% solubility in ki solution passes test cas no: 7774-29-0 un no. 6.11638 hs code : 2827 60 90 r : 262728-33 s : 13-28.1-45 f :