HEPES Natiumsalz ≥99,5% für die biopharmazeutische Produktion
Lieferant: VWR Chemicals
30567.297EA
704
CHF
30567.297
30567.366
30567.468
HEPES Natiumsalz ≥99,5% für die biopharmazeutische Produktion
HEPES Natriumsalz
Formel:
C₈H₁₇N₂NaO₄S Melting Pt: > 105 °C Lager Temperatur: Raumtemperatur |
MDL Number:
MFCD00036463 CAS-Nummer: 75277-39-3 EINECS: 278-169-7 |
Spezifikation Testergebnisse
Assay | Min. 99.5 % |
Appearance | White crystalline powder |
Cell culture toxicity | Passes test |
DNases | Not detected |
Identification by IR | Conforms to structure |
Proteases | Not detected |
RNases | Not detected |
Solubility (1 mol/l) | Clear and complete |
pH (1 %) | 9.5 - 10.5 |
pKa (25°C) | 7.4 - 7.7 |
Heavy metals (as Pb) | Max. 5 ppm |
Loss on drying (105°C) | Max. 2.0 % |
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 |
Zn (Zinc) | Max. 5 ppm |
Absorbance (260 nm) (1 mol/l) | Max. 0.5 |
Absorbance (280 nm) (1 mol/l) | Max. 0.5 |
Bioburden | Max. 100 CFU/g |
Endotoxin (0,2 %) | Max. 0.1 EU/mg |
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