ALPHA CHEMIKA Mercuric Oxide Yellow Ar, CAS No. : 21908-53-2

We are offering mercuric oxide yellow ar hgo m.w. 216.59 minimum assay (by complexometry) 99.3-100.5% max. Limits of impurities : substances insoluble in hydrochloric acid 0.03% chloride(cl) 0.025% sulphate(so4) 0.005% total nitrogen(n) 0.005% cadmium(cd) 0.0001% copper(cu) 0.0005% iron(fe) 0.0025% lead(pb) 0.0005% zinc(zn) 0.0005% substance not reducible with formic acid (residue on ignition) 0.025% cas no: 21908-53-2 un no. 6.11641 tariff : 2825 90 30 r : 262728-33 s : 13-28.1-45 f :