Product Description Dimethylphosphine oxide Other Details Molecular Formula: C2H7OP Molecular Weight: 78.5 CAS Number: 7211-39-4 Minimum Purity: 0.95 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: 10g Leadtime:20 Days