Monobasic Sodium Phosphate, Monohydrate, Granular, USP, BP – All Spectrum Chemical USP, BP products are manufactured, packaged and stored under current Good Manufacturing Practices (cGMP) per 21CFR part 211 in FDA registered and inspected facilities. Synonyms: Sodium Phosphate Monobasic ; Monobasic Sodium Phosphate ; Monosodium Phosphate ; Sodium Biphosphate ; Sodium Dihydrogen Phosphate