It can promote feed digestion, put on animal's weight, raise laying rate or producing milk rate, cure diseases such as rickets, osteomalacia and anaemia etc. Dicalcium phosphate is white crystal powder or granular form, tasteless, odorless. Apparent density 800-1100kg/m3 soluble in dilute hydrochloric acid, dilute nitric acid and acetic acid. Feed grade 18%dcp is low soluble in water, insoluble in alcohol; and has been heated over 90 degree celsius. It begins to lose its crystal water and convert to calcium pyrophosphate above 400 degree celsius. Moreover, 18%dcp is lower moisture absorbing.