Product Description Tetraphenylmethane Other Details Molecular Formula: C25H20 Molecular Weight: 320.43 CAS Number: 630-76-2 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