1.05108

Potassium phosphate monobasic

99.995% anhydrous basis, Suprapur^®

• Synonym(s): Potassium phosphate monobasic, Potassium dihydrogen phosphate, mono-Potassium orthophosphate, Potassium biphosphate, Potassium phosphate monobasic, Monopotassium phosphate, prim.-Potassium phosphate
• Linear Formula: KH₂PO₄
• CAS Number: 7778-77-0
• Molecular Weight: 136.09
• MDL number: MFCD00011401
• UNSPSC Code: 12352302
• EC Index Number: 231-913-4
• NACRES: NB.21

Properties

• grade: for inorganic trace analysis
• Quality Level: 100
• assay: ≥99.5% (alkalimetric); 99.995% anhydrous basis
• form: solid
• potency: >4640 mg/kg LD₅₀, skin (Rabbit)
• technique(s): HPLC: suitable
• pH: 4.2-4.6 (20 °C, 20 g/L in H₂O)
• mp: 252.6 °C (lit.)
• solubility: 208 g/L
• density: 2.338 g/mL at 25 °C (lit.)
• bulk density: 1200 kg/m³
• storage temp.: 2-30°C
• 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

• Biocatalysis with in-situ product removal improves p-coumaric acid production: This research demonstrates the utility of potassium phosphate monobasic in biocatalytic reactions, particularly for improving the production of p-coumaric acid, a compound important in various biochemical applications (Virklund et al., 2024).
• Unlocking the potential of biochar: Potassium phosphate monobasic is utilized to enhance the adsorption capacity of biochar composites for removing heavy metals like Pb(II) and Cd(II) from water, highlighting its effectiveness in environmental cleanup strategies (Li et al., 2024).
• Partitioning recombinant chitinase from Nicotiana benthamiana by an aqueous two-phase system: Demonstrates the application of potassium phosphate monobasic in aqueous two-phase systems for efficient partitioning of enzymes, which is crucial for biotechnological and industrial applications (Tue et al., 2024).
• Effect of K(+) Diffusion on Hydration of Magnesium Potassium Phosphate Cement: Potassium phosphate monobasic is explored for its role in affecting the hydration processes of magnesium potassium phosphate cements, providing insights valuable in construction and materials science (Leng et al., 2024).
• Unlocking Nature′s Toolbox: This study showcases how potassium phosphate monobasic can be used to optimize conditions for the production of recombinant proteins, enhancing yields and streamlining production processes in biomanufacturing (Rajak et al., 2024).

Linkage

Replaces: 5108-1; 5108-2; 5108

Analysis Note

Purity (metallic): ≥ 99.995 %
Assay (acidimetric): ≥ 99.5 %
Spec. Absorbance A at 260 nm (2 cm, 10%, water): ≤ 0.010
Chloride (Cl): ≤ 5 ppm
Sulfate (SO₄): ≤ 30 ppm
As (Arsenic): ≤ 0.1 ppm
Ba (Barium): ≤ 5.0 ppm
Ca (Calcium): ≤ 0.50 ppm
Cd (Cadmium): ≤ 0.005 ppm
Ce (Cerium): ≤ 0.010 ppm
Co (Cobalt): ≤ 0.010 ppm
Cu (Copper): ≤ 0.005 ppm
Eu (Europium): ≤ 0.010 ppm
Fe (Iron): ≤ 0.10 ppm
Hg (Mercury): ≤ 0.05 ppm
La (Lanthanum): ≤ 0.010 ppm
Mg (Magnesium): ≤ 0.50 ppm
Mn (Manganese): ≤ 0.010 ppm
Na (Sodium): ≤ 20.0 ppm
Ni (Nickel): ≤ 0.010 ppm
Pb (Lead): ≤ 0.005 ppm
Sm (Samarium): ≤ 0.010 ppm
Sr (Strontium): ≤ 0.50 ppm
Tl (Thallium): ≤ 0.01 ppm
Y (Yttrium): ≤ 0.010 ppm
Yb (Ytterbium): ≤ 0.010 ppm
Zn (Zinc): ≤ 0.005 ppm

Legal Information

SUPRAPUR 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