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95843 Sigma-Aldrich

Potassium acetate solution

BioUltra, for molecular biology, 5 M in H2O

  • CAS Number 127-08-2

  • Linear Formula CH3COOK

  • Molecular Weight 98.14

  •  Beilstein/REAXYS Number 3595449

  •  MDL number MFCD00012458

  •  PubChem Substance ID 57653703

  •  NACRES NA.25

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Properties

Related Categories Alphabetical, BioUltra, BioUltra Buffers, Biochemicals and Reagents, Biological Buffers,
grade   for molecular biology
product line   BioUltra
concentration   5 M in H2O
impurities   DNases, none detected
  RNases, none detected
  insoluble matter, passes filter test
  phosphatases, none detected
  proteases, none detected
pH   7.0-9.0 (25 °C)
density   1.215 g/mL at 20 °C
anion traces   chloride (Cl-): ≤50 mg/kg
  sulfate (SO42-): ≤5 mg/kg
cation traces   Al: ≤1 mg/kg
  As: ≤0.1 mg/kg
  Ba: ≤1 mg/kg
  Bi: ≤1 mg/kg
  Ca: ≤20 mg/kg
  Cd: ≤1 mg/kg
  Co: ≤1 mg/kg
  Cr: ≤1 mg/kg
  Cu: ≤1 mg/kg
  Fe: ≤1 mg/kg
  Li: ≤1 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤1 mg/kg
  Mo: ≤1 mg/kg
  Na: ≤1000 mg/kg
  Ni: ≤1 mg/kg
  Pb: ≤1 mg/kg
  Sr: ≤1 mg/kg
  Zn: ≤1 mg/kg
UV absorption   λ: 260 nm Amax: 0.04
  λ: 280 nm Amax: 0.02
SMILES string   [K+].CC([O-])=O
InChI   1S/C2H4O2.K/c1-2(3)4;/h1H3,(H,3,4);/q;+1/p-1
InChI key   SCVFZCLFOSHCOH-UHFFFAOYSA-M

Description

Application

Potassium acetate 5M solution may be used as a stock to formulate precipitant solutions used in procedures such as the hanging-drop vapor diffusion crystallization protocol. Potassium acetate 5M solution may be used to prepare hypoosmotic media and in various DNA extraction protocols.

Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
1

Single- & multi-channel pipettes from BRAND
Protocols & Articles

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Peer-Reviewed Papers
15

References

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