Product Description Acid Black 194, tech. Other Details Molecular Formula: C20H12N3NaO7S Molecular Weight: 461.38 CAS Number: 61931-02-0 Minimum Purity: 0 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 1g Leadtime:20 Days Sizes 2: 0 Leadtime:0 Sizes 3: 0 Leadtime:0