1 Amino Benzene 2:4 Di Sulphonic Acid is available in wet cake form. 1 Amino Benzene 2:4 Di Sulphonic Acid contains insoluble matter in a maximum range of 0.2%. 1 Amino Benzene 2:4 Di Sulphonic Acid is offered in off white to grey colour. 1 Amino Benzene 2:4 Di Sulphonic Acid is hygienically packed in HDPE bag with polyethylene liner.