... (PO4)2 2. Appearance and properties:Mixture of different phosphorus calcium ,main component is 10CaO3PO2H5O2,molecular weight 1004.64,White shapeless ... , nitric acid, steady in air.3.Usage: Feed Grade Tricalcium Phosphate is mainly used as food acidulant yeast nutrient and in ... /PE bags,500kg or 1000 kg big bag. Feed GradeTricalcium Phosphate TCP 7758-87-4