... hydrophosphate It can used as buffering agent, loosening agent, flour modifier,antioxidant, stabilizer etc. Calcium hydrophosphate1. Description:Molecular formular: CaHPO4 • 2H2O ... , it’s also used as buffering agent, loosening agent, flour modifier, nutritional supplement, emulsifier, curing agent, antioxidant, stabilizer, quality improver, etc ...