Taurine as well as named Ox cholic acid and Ox gall acid, as it is extracted from ox cholic. it is a special physiology functional amino acid, and there’s sulfur in the structure, so it also is a kind of sulfonic amino acid . Characteristics：It is white crystal or crystalline powder, odorless, a bit of acidic taste. It can be dissolved into water. In 12℃, 1 ration of Taurine can be dissolved into 15.5 rations of water completely. It can be dissolved in 95% of ethanol slightly. Its solubility in 17℃ is 0.004. It is insoluble in absolute alcohol, aether and acetone.