M.W.: 254.2 Formula: C10H10N2O4S Structure: Appearance: light yellow crystals Purity(as dry): 99% min. Water content: 7% max. Insolubles in Acid:0.15% max. Application: dyes intermediates, mainly used to produce Acid Yellow 11, 12, 25, 76, 117, Acid Orange 63, Direct Orange 1, 30, 31, Direct Yellow 17 etc. Packing: 25kg net bag