Product Description Pigment Red 4, tech. Other Details Molecular Formula: C16H10ClN3O3 Molecular Weight: 327.73 CAS Number: 2814-77-9 Minimum Purity: 0 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 5g Leadtime:20 Days Sizes 2: 25g Leadtime:20 Days Sizes 3: 100g Leadtime:20 Days