... ,main component is 10CaO3PO2H5O2,molecular weight 1004.64,White shapeless powder, odorless, tasteless ,relative density 3.18,hardly soluble in water ... in dilute hydrochloride , nitric acid, steady in air.3.Usage: Feed Grade Tricalcium Phosphate is mainly used as food acidulant yeast nutrient ... . Packaging & Delivery: in 25kg or 50 kg net WPP/PE bags,500kg or 1000 kg big bag. Feed Grade TCP 7758-87-4