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
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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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