Product Description Benzophenone phenylhydrazone Other Details Molecular Formula: C19H16N2 Molecular Weight: 272.3 CAS Number: 574-61-8 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 1g Leadtime:50 Days Sizes 2: 0 Leadtime:0 Sizes 3: 0 Leadtime:0