Product Description Tartrazine Other Details Molecular Formula: C16H9N4O9S2.3Na Molecular Weight: 534.37 CAS Number: 1934-21-0 Minimum Purity: >98% (HPLC) UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 25mg Leadtime:20 Days Sizes 2: 100mg Leadtime:20 Days Sizes 3: 1g Leadtime:20 Days