Product Description Ammonium perrhenate Other Details Molecular Formula: NH4ReO4 Molecular Weight: 268.25 CAS Number: 13598-65-7 Minimum Purity: ≥99% UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 1g Leadtime:20 Days Sizes 2: 5g Leadtime:20 Days Sizes 3: 0 Leadtime:0