Product Description Ammonium sulfide Other Details Molecular Formula: H2S.2NH3 Molecular Weight: 68.14 CAS Number: 12135-76-1 Minimum Purity: 40-48 wt. % in H2O UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 1g Leadtime:20 Days Sizes 2: 10g Leadtime:20 Days Sizes 3: 25g Leadtime:20 Days