... largest producer in China Prodcut Name: Sulfanilic AcidSynonyms: 4-Aminobenzenesulfonic acid; 4-Anilinesulfonic acidMolecular Structure: Specs: Appearance: white powder Purity ... it can be used in Acid orange ,Acid light yellow 2G,Acid intermediary yellowish brown 4G,Acid intermediary dark yellow GG, ... used in agriculture pesticide to proof wheat rust. 4. It is also one ideal intermediary in spices, ...