sulfanilic acid for food color

  Name Index Appearance White crystal Sulfanilic acid contents(%) ≥98≥ 99 Dissociating anilin(%) ≤0.02 ≤0.02 Unsoluble substances(%) ≤0.03≤ 0.03 Water contents(%) ≤0.5 ≤0.5 It is the ideal raw material intermediate used in dye, spice, food pigment, medicine, pesticide, construction-material industry.