We are manufacturer of Bon Acid 98.5% ,so we can supply with ... bag dyestuff intermed specificationItemExtra GradeMeasured ValueApperancelight yellow powderPurity%≥98.598.561.2ACID%≤0.20.2Beta-naphthol content%≥ ... the production and sale of Maleic anhydride, Betanaphthol, J acid, NSF, Coal Tar Pitch, Benzene, Anthrancene oil, ... PROVIDE SERVICES TO CUSTOMER NEEDS. Bon Acid(2-hydroxy-3-naphthoic acid)98.5%