HEPES (2-[4-(2-Hydroxyethyl)-1-piperazinyl]ethansulfonsäure) 99+% für die Molekularbiologie DNAse-, RNAse-, proteasefrei
Supplier: Thermo Fisher Scientific
Certificates
About this item
CAS Number:7365-45-9
:
Formula:C₈H₁₈N₂O₄S
MDL Number:MFCD00006158
Merck Index:13,04672
Melting Pt:209…215 °C (dec.)
Density:1,448 g/cm³ (20 °C)
:238.31 g/mol
Storage Temperature:Raumtemperatur
EINECS:230-907-9
Specification Test Results
- Appearance:White Crystalline powder
- Infrared spectrum:Conforms
- Loss on drying:≤0.5 % (105°C)
- UV:at 260 nm A: ≤0.1
- pH:5 to 6.5 (0.5 M in water)
- Titration with NaOH:≥99.0 % (On dry substance)
- Dnase,Rnase,Protease activity:none detected
- Sulfate (SO4):≤500 ppm
- Iron (Fe):≤5 ppm
- Potassium (K):≤1000 ppm
- Heavy metals (as Pb):≤10 ppm
Specification Test Results
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