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60218 Sigma

Potassium phosphate monobasic

BioUltra, for molecular biology, anhydrous, ≥99.5% (T)

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

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Properties

Related Categories Alphabetical, BioUltra, BioUltra Buffers, Biochemicals and Reagents, Biological Buffers,
grade   for molecular biology
InChI Key   GNSKLFRGEWLPPA-UHFFFAOYSA-M
product line   BioUltra
assay   ≥99.5% (T)
impurities   DNases, none detected
  RNases, none detected
  insoluble matter, passes filter test
  phosphatases, none detected
  proteases, none detected
  ≤0.001% total nitrogen (N)
pH   4.0-4.5 (25 °C, 1 M in H2O)
pKa (25 °C)   (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
mp   252.6 °C(lit.)
solubility   H2O: soluble1 M at 20 °C, clear, colorless
density   2.338 g/mL at 25 °C(lit.)
anion traces   chloride (Cl-): ≤5 mg/kg
  sulfate (SO42-): ≤30 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: ≤5 mg/kg
  Li: ≤5 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Mo: ≤5 mg/kg
  Na: ≤50 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: 0.046
  λ: 280 nm Amax: 0.040

Description

Other Notes

Component of PBS - in the isolation and analysis of nuclear RNA

Application

Potassium phosphate monobasic and dibasic, are used to create phosphate buffered solutions such as potassium phosphate buffered water and saline solutions used in biological applications.

Price and Availability

Suggested Laboratory Gloves


Laboratory GlovesThis substance has been tested against several types of hand protection for CE compliance. Click below to find the recommended gloves for handling this product.




Microcon Centrifugal Filters

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Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
TC6615500
Protocols & Articles

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