Acid Orange II [ Molecular Formula ] : C16H10N2Na2O7S2 [ Colour Index ] : C.I. Acid Orange 7 [Cas No]. 1936-15-8 [Molecular Weight]: 350.32 [Appearance]:Shinning Orange Powder [Strength]:100% [Shade]: standard [Water-insoluble Impurities: ]0.5%Max [Moisture%]:0.7Max [Properties]:It is soluble in water and alcohol. [ Use ] : Dyeing Leather, Silk, Nylon and Wool Fabric. [Packages]25kgs iron drums, cartons, woven bags