Product Description Acid Orange 7 Other Details Molecular Formula: C16H11N2O4S.Na Molecular Weight: 350.33 CAS Number: 633-96-5 Minimum Purity: 0 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 25g Leadtime:20 Days Sizes 2: 100g Leadtime:20 Days Sizes 3: 500g Leadtime:20 Days