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Georgiachem HEPES (75277-39-3)
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HE2053 - HEPES, sodium salt

  • Grade: Molecular Biology Grade
  • CAS Number: 75277-39-3
  • Synonym(s): N-2-Hydroxyethyl piperazine-N'-2-ethane sulphonic acid sodium salt
  • Molecular Weight: 260.29
  • Molecular Formula: C8H17N2NaO4S
  • Storage Condition: Room Temperature

Description

Appearance (Color)..................................................................................White
Appearance (Form)...............................................................................Powder
Solubility (Color)................................................................................Colorless
Solubility (Turbidity)...................................................................................Clear
at 500 mg/ml in H2O
Purity........................................................................................................≥99.5%
Water (by Karl Fischer)..........................................................................≤3.0 %
UV Absorbance 260nm..............................................................................≤0.4
UV Absorbance 280nm..............................................................................≤0.2
pH..............................................................................................................10 - 12
 

HE1058 - HEPES, free acid

  • Grade: Electrophoresis Grade
  • CAS Number: 7365-45-9
  • Synonym(s): N-2-Hydroxyethyl piperazine-N'-2-ethane sulphonic acid, Good's buffer
  • Molecular Weight: 238.30
  • Molecular Formula: C8H18N2O4S
  • Storage Condition: Room Temperature

Description

Appearance (Color)..................................................................................White
Appearance (Form)..........................................................Crystalline Powder
Solubility (Color)................................................................................Colorless
Solubility (Turbidity)...................................................................................Clear
500 mg/ml, H2O
Purity........................................................................................................≥99.5%
Water (by Karl Fischer).........................................................................≤ 0.1 %
Heavy Metals..........................................................................................≤5 ppm
Iron (Fe)...................................................................................................≤5 ppm
DNAse, Exonuclease Detection............................................None Detected
NICKase,Endonuclease Detection......................................None Detected
RNAse Detection.....................................................................None Detected
Protease Detection..................................................................None Detected


 
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