HEPES (2-[4-(2-Hydroxyethyl)-1-piperazinyl]ethansulfonsäure) ≥99,5% für die Biochemie
Lieferant: VWR Chemicals
441487MEA
477
CHF
441487M
441485H
44148BC
HEPES (2-[4-(2-Hydroxyethyl)-1-piperazinyl]ethansulfonsäure) ≥99,5% für die Biochemie
HEPES (2-[4-(2-Hydroxyethyl)-1-piperazinyl]ethansulfonsäure)
Formel:
C₈H₁₈N₂O₄S MW: 238,31 g/mol Melting Pt: 210…215 °C Dichte: 1,448 g/cm³ (20 °C) Lager Temperatur: Raumtemperatur |
MDL Number:
MFCD00006158 CAS-Nummer: 7365-45-9 EINECS: 230-907-9 Merck Index: 13,04672 |
Spezifikation Testergebnisse
Assay | Min. 99.5 % |
Appearance | White powder |
Appearance of solution (1 mol/l) | Clear colourless liquid |
IR Spectrum | Passes test |
pH (1 %) | 4.7 - 5.3 |
Ignition residue | Max. 0.3 % |
Water | Max. 0.5 % |
Cl (Chloride) | Max. 300 ppm |
PO4 (Phosphate) | Max. 10 ppm |
SO4 (Sulphate) | Max. 100 ppm |
Al (Aluminium) | Max. 5 ppm |
Cu (Copper) | Max. 5 ppm |
Fe (Iron) | Max. 5 ppm |
Na (Sodium) | Max. 0.1 % |
Pb (Lead) | Max. 5 ppm |
Absorbance (260 nm) (1 mol/l) | Max. 0.10 |
Absorbance (280 nm) (1 mol/l) | Max. 0.10 |
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