... 99% min 2. Supply ability: 10,000mts/year 3. Main producer and exporter Prodcut name: Sulfanilic AcidSpecs: appearance: white powder purity: 99% min ... it can be used in Acid orange ,Acid light yellow 2G,Acid intermediary yellowish brown 4G,Acid intermediary dark yellow GG, ... red K-DG and blue K-3R, etc.2. It also can be used in production of dyes ... to Asia and South American market. Sulfanilic Acid