Potassium phosphate-tribasic

• CAT Number: R071126
• CAS Number: 7778-53-2
• Molecular Formula: Anhydrous: K3PO4; Hydrated: K3PO4· nH2O (n = 1 or 3)
• Molecular Weight: 212.26
• Purity: ≥95%
• Synonyms: K3PO4.nH2O
• Storage: RT
• IUPAC Name: tripotassium;phosphate
• InChI: InChI=1S/3K.H3O4P/c;;;1-5(2,3)4/h;;;(H3,1,2,3,4)/q3*+1;/p-3
• InChIKey: LWIHDJKSTIGBAC-UHFFFAOYSA-K
• SMILES: [O-]P(=O)([O-])[O-].[K+].[K+].[K+]

Potassium phosphate tribasic (CAT: R071126) is an inorganic compound commonly used as a strong base, buffering agent, and source of potassium and phosphate ions in chemical, pharmaceutical, and industrial applications. It appears as a white crystalline powder, highly soluble in water, and forms strongly alkaline solutions. In biochemistry and molecular biology, it is employed to maintain stable pH in buffer systems. In agriculture, it serves as a fertilizer component, supplying essential nutrients. Additionally, potassium phosphate tribasic is used in ceramics, detergents, and water treatment processes. Its high alkalinity and buffering capacity make it a versatile reagent in both laboratory and industrial settings.