Product Description Tetramethylphosphonium bromide Other Details Molecular Formula: (CH3)4PBr Molecular Weight: 171.03 CAS Number: 4519-28-2 Minimum Purity: 98% (HPLC) 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