Product Description Naphthol as-tr phosphate Other Details Molecular Formula: C18H15ClNO5P Molecular Weight: 391.75 CAS Number: 2616-72-0 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 200mg Leadtime:20 Days Sizes 2: 0 Leadtime:0 Sizes 3: 0 Leadtime:0