Product Description Hafnium acetylacetonate Other Details Molecular Formula: C20H28HfO8 Molecular Weight: 574.9 CAS Number: 17475-67-1 Minimum Purity: 0.97 UN Number: N/A Dangerous Goods Class: N/A Packing Group: N/A Storage Temperature: N/A Sizes 1: 1g Leadtime:20 Days Sizes 2: 5g Leadtime:20 Days Sizes 3: 0 Leadtime:0