... important dyes intermediates, it can be used in Acid orange ,Acid light yellow 2G,Acid intermediary yellowish brown 4G,Acid intermediary dark yellow GG, Direct yellow GR,Reactive yellow ... , etc.2. It also can be used in production of dyes Whitening agent, such as solute salt B, optical brightener BG ... , also some quantity to Asia and South American market. Sulfanilic Acid