Product Description Ammonium hexachloroosmate(IV) Other Details Molecular Formula: (NH4)2OsCl6 Molecular Weight: 439.02 CAS Number: 12125-08-5 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 250mg Leadtime:20 Days Sizes 2: 1g Leadtime:20 Days Sizes 3: 5g Leadtime:20 Days