Di-Amino Stilbene Di-Sulphonic Acid has minimum 95% purity and is offered in cream coloured powder form. The Acid can be used an intermediate in the manufacturing of optical whitening agent and dyestuffs. The Acid is offered in 25/ 300 kg of HDPE bags with separate liner inside or as per the requirement. The Di-Amino Stilbene Di-Sulphonic Acid should be remained protected from fire and high temperature.