HEPES, anhydre ≥99.5% pour production biopharmaceutique
Marques : VWR ChemicalsTotal Evaluation: 0
Moyenne des Notes : 0.0 sur 5
HEPES
Formule:
C₈H₁₈N₂O₄S Point de fusion: 210…215 °C Densité: 1,448 g/cm³ (20 °C) Température de stockage: Température ambiante |
Numéro MDL:
MFCD00006158 Numéro CAS: 7365-45-9 EINECS: 230-907-9 Indice Merck: 13,04672 |
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Résultats des tests de spécification
Assay | |
Appearance | |
DNases | Not detected |
Identification by IR | Conforms to structure |
Proteases | Not detected |
RNases | |
Solubility (1 mol/l) | Clear, colourless, complete |
pKa (25°C) | 7.45 - 7.65 |
Heavy metals (as Pb) | Max. 5 ppm |
Ignition residue | Max. 0.3 % |
LOD (140 °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 |
Absorbance (260 nm) (1 mol/l) | Max. 0.10 |
Absorbance (280 nm) (1 mol/l) | Max. 0.10 |
Bioburden | Max. 100 CFU/g |
Endotoxin | Max. 0.1 EU/mg |
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