Product Description Ammonium sulfite Other Details Molecular Formula: H2SO3.2NH3 Molecular Weight: 116.14 CAS Number: 10196-04-0 Minimum Purity: 0.98 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 1kg Leadtime:65 Days Sizes 2: 0 Leadtime:0 Sizes 3: 0 Leadtime:0