71539 Sigma

Sodium formate

BioUltra, ≥99.0% (NT)

Synonym: Formic acid sodium salt


Related Categories Molecular Biology, Optimization Reagents, Protein Structural Analysis, Proteomics, X-Ray Crystallography More...
product line   BioUltra
assay   ≥99.0% (NT)
impurities   insoluble matter, passes filter test
pH   7.0-8.5 (25 °C, 1 M in H2O)
mp   259-262 °C(lit.)
solubility   H2O: soluble1 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: ≤5 mg/kg
  K: ≤100 mg/kg
  Li: ≤5 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Mo: ≤5 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: 0.02
  λ: 280 nm Amax: 0.01


Other Notes

Purification and assay of formate dehydrogenase (EC from Cl. thermoaceticum1; Solvent component in the chromatographic separation of nucleotides on polyethyleneimine-cellulose layers2,3; As gradient material in zonal centrifugation4

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