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P9791 Sigma

Potassium phosphate monobasic

for molecular biology, ≥98.0%

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


Related Categories Biochemicals, Biochemicals and Reagents, Biological Buffers, Buffer / Buffer Salts, Buffers / Buffer Salts,
grade   for molecular biology
assay   ≥98.0%
pKa (25 °C)   (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
mp   252.6 °C(lit.)
solubility   H2O: soluble100 mg/mL
density   2.338 g/mL at 25 °C(lit.)
anion traces   chloride (Cl-): ≤10 ppm
cation traces   Fe: ≤20 ppm
  heavy metals (as Pb): ≤10 ppm
Featured Industry   Diagnostic Assay Manufacturing
foreign activity   DNase, Exonuclease; NICKase, Endonuclease; RNase and protease, none detected

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