P5379

Potassium phosphate monobasic

ReagentPlus^®

• 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: 24898627
• NACRES: NA.25

Properties

• Quality Level: 200
• product line: ReagentPlus^®
• assay: ≥99.0%
• form: powder or crystals
• 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

Application

Potassium phosphate monobasic has been used:

• in calibration curve generation in electrical conductivity measurement of plasma-activated tap water (PATW).
• as a component of dissection solution.
• as a constituent of phosphate buffered saline.

Legal Information

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

Safety Information

• Storage Class: 13 - Non Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type N95 (US)