RDD020

Potassium phosphate monobasic

anhydrous, free-flowing, Redi-Dri^™, ReagentPlus^®, ≥99.0% (titration)

• Synonym(s): Monopotassium phosphate, Potassium dihydrogen phosphate, prim.-Potassium phosphate
• Linear Formula: KH₂PO₄
• CAS Number: 7778-77-0
• Molecular Weight: 136.09
• EC Number: 231-913-4
• MDL number: MFCD00011401
• UNSPSC Code: 12161700
• PubChem Substance ID: 329824229
• NACRES: NA.21

Properties

• grade: anhydrous
• Quality Level: 100
• product line: ReagentPlus^®; Redi-Dri^™
• Assay: ≥99.0% (titration)
• form: crystalline
• quality: free-flowing
• pKa (25 °C): (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
• mp: 252.6 °C (lit.)
• solubility: water: 100 mg/mL, clear, colorless
• density: 2.338 g/mL at 25 °C (lit.)
• SMILES string: [K+].OP(O)([O-])=O
• InChI: 1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1
• InChI key: GNSKLFRGEWLPPA-UHFFFAOYSA-M

Description

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

Safety Information

• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable