... and exporter Prodcut name: Sulfanilic AcidSpecs: appearance: white powder purity: 99% min free aniline: 0.01% max water insoluble matter: 0 ... intermediates, it can be used in Acid orange ,Acid light yellow 2G,Acid intermediary yellowish brown 4G,Acid intermediary dark yellow GG, Direct yellow ... , also some quantity to Asia and South American market. Sulfanilic Acid