Aniline 2:5 Disulfonic Acid is available in moist white powder form. Aniline 2:5 Disulfonic Acid contains insoluble matter in a minimum amount of 0.15% and 4% free acid content. Aniline 2:5 Disulfonic Acid comprises of approximately 5% moisture content. Aniline 2:5 Disulfonic Acid is hygienically packed in 25kgs or 50 Kgs HDPE bags or large bags with liner.