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TRIS HCl (tris(hydroxymethyl)aminomethane hydrochloride) ≥99.0% for biopharmaceutical production
 :  VWR Chemicals
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TRIS HCl (tris(hydroxymethyl)aminomethane hydrochloride) ≥99.0% for biopharmaceutical production
 :  VWR Chemicals
 

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  • Assay:
    Min. 99,0 %
  • Appearance:
    White crystalline powder
  • Dnases:
    Not detected
  • Identification by IR:
    Conforms to structure
  • Proteases:
    Not detected
  • Rnases:
    Not detected
  • Solubility (1 mol/l):
    Clear and complete
  • pH (0,5 mol/l; 25°C):
    3,5 -- 5,0
  • pKa (25°C):
    8,0 -- 8,4
  • Ignition residue:
    Max. 0,1 %
  • Insoluble substances:
    Max. 50 ppm
  • Loss on drying (105°C):
    Max. 0,5 %
  • Ca (Calcium):
    Max. 5 ppm
  • Cu (Copper):
    Max. 5 ppm
  • Fe (Iron):
    Max. 5 ppm
  • Mg (Magnesium):
    Max. 5 ppm
  • Mn (Manganese):
    Max. 5 ppm
  • Pb (Lead):
    Max. 5 ppm
  • Zn (Zinc):
    Max. 5 ppm
  • Absorbance (260 nm) (1 mol/l):
    Max. 0,05
  • Absorbance (280 nm) (1 mol/l):
    Max. 0,05
  • Bioburden:
    Max. 100 CFU/g
  • Endotoxin:
    Max. 0.1 EU/mg