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P5655 Sigma

Potassium phosphate monobasic

powder, suitable for cell culture, suitable for insect cell culture, suitable for plant cell culture, ≥99.0%

Synonym: Monopotassium phosphate, Potassium dihydrogen phosphate, prim.-Potassium phosphate



Related Categories Biochemicals and Reagents, Biological Buffers, Buffers A to Z, Cell Culture, Chemical Synthesis,
assay   ≥99.0%
form   powder
pKa (25 °C)   (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
mp   252.6 °C(lit.)
density   2.338 g/mL at 25 °C(lit.)
suitability   suitable for cell culture
  suitable for insect cell culture
  suitable for plant cell culture
Featured Industry   Diagnostic Assay Manufacturing



1 kg in poly bottle

100, 500 g in poly bottle


• Potassium phosphate monobasic has been used during isolation of protein from bacterial cells.
• It has been used in the preparation of PZM-3 (defined medium for porcine embryos) medium.
• It has been used in the preparation of phosphate buffer saline.

Safety & Documentation

Safety Information

NONH for all modes of transport

Cell Culture Guide

High Quality GMP-Buffers
Protocols & Articles


A general protocol for the generation of Nanobodies for structural biology

Els Pardon a, b , Toon Laeremans a, b , Sarah Triest a, b , Søren G F Rasmussen c , Alexandre Wohlkönig a, b , Armin Ruf d , Serge Muyldermans b, e , Wim G J Hol f , Brian K Kobilka g , Jan Steyaert ...
Keywords: AGE, Adsorption, Amplification, Antibiotics, Biochemistry, Biotinylations, Buffers, Cancer, Centrifugation, Chromatography, Cloning, Coagulation, Crystallization, DNA purification, Deaminations, Degradations, Detergents, Digestions, Diseases, Drug discovery, Electrophoresis, Enzyme-linked immunosorbent assay, Flow cytometry, Gel electrophoresis, Gene expression, Genetic, Genomics, Hematology, High performance liquid chromatography, Immobilization, Immunology, Infectious Diseases, Neuroscience, Nucleic acid annealing, Nucleic acid hybridization, Peptide synthesis, Phase transitions, Polymerase chain reaction, Purification, Sample preparations, Separation, Sequencing, Size-exclusion chromatography, Sterilizations, Transfection, Western blot, transformation

CRISPR/Cas9 genome editing in human hematopoietic stem cells

Genome editing via homologous recombination (HR) (gene targeting) in human hematopoietic stem cells (HSCs) has the power to reveal gene–function relationships and potentially transform curative hemat...
Keywords: Cell culture, Cell disruption, Centrifugation, Clinical, Cloning, Culture media, Degradations, Deposition, Diseases, Flow cytometry, Gene expression, Genetic, Growth factors, Molecular biology, Nucleic acid annealing, Peptide synthesis, Polymerase chain reaction, Polymerase chain reaction - quantitative, Polymorphisms, Purification, Recombination, Reductions, Sequencing, Sterilizations, Titrations, Transcription, Transduction, Transfection, Tropism

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Peer-Reviewed Papers


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