Magnesium Phosphate Dibasic Trihydrate occurs as a white crystalline powder. It contains three molecules of water of hydration. It is slightly soluble in water and insoluble in alcohol, but is soluble in dilute acids. CAS No. : 7782-75-4; Molecular Formula: MgHPO4·3H2O; Molecular Weight: 174.33; Standard: E343(ii) & FCC; Product https://www.richen-nutritional.com/magnesium-phosphate-dibasic-trihydrate-food-grade-by-spray-drying-process-product/