Tri Methyl Sulphoxonium Iodide is a white to off white powder. The Iodide comes packed in 50 kg net HDPE drums with PE liner bag. The Iodide should be stored in a cool, dry, well ventilated area away from incompatible substances and should be stored protected from light. The Tri Methyl Sulphoxonium Iodide has melting point ranging from 152 to 159 ° c, loss on drying not more than 0.5% and is soluble in water.