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60354 Sigma-Aldrich

Potassium phosphate dibasic

BioUltra, anhydrous, ≥99.0% (T)

Synonym: Dipotassium hydrogenphosphate, Dipotassium phosphate, sec.-Potassium phosphate

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Properties

InChI Key   ZPWVASYFFYYZEW-UHFFFAOYSA-L
product line   BioUltra
assay   ≥99.0% (T)
impurities   insoluble matter, passes filter test
pH   8.7-9.3 (25 °C, 1 M in H2O)
solubility   H2O: 1 M at 20 °C, clear, colorless
anion traces   chloride (Cl-): ≤50 mg/kg
  sulfate (SO42-): ≤50 mg/kg
cation traces   Al: ≤5 mg/kg
  As: ≤0.1 mg/kg
  Ba: ≤5 mg/kg
  Bi: ≤5 mg/kg
  Ca: ≤10 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤10 mg/kg
  Li: ≤5 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Mo: ≤5 mg/kg
  Na: ≤5000 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Sr: ≤5 mg/kg
  Zn: ≤5 mg/kg
λ   1 M in H2O
UV absorption   λ: 260 nm Amax: ≤0.20
  λ: 280 nm Amax: ≤0.15

Description

Other Notes

Component of a wide variety of media for the culture of microorganisms. Component of Dulbecco′s phosphate buffered saline for cell culture in which it maintains the pH and supplies essential phosphate

Suitable alkalimetric standard for standardizing NaOH, KOH, Ba(OH)2.

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
1

Documents

Certificate of Analysis

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Protocols & Articles

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Peer-Reviewed Papers
15

References

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