HEPES (2-[4-(2-hydroxyethyl)-1-piperazinyl]ethanesulphonic acid) 99+% for molecular biology DNase-, RNase-, protease-free
Supplier: Thermo Scientific
ACRO329855000EA
674
EUR
ACRO329855000
ACRO329850500
HEPES (2-[4-(2-hydroxyethyl)-1-piperazinyl]ethanesulphonic acid) 99+% for molecular biology DNase-, RNase-, protease-free
HEPES (2-[4-(2-hydroxyethyl)-1-piperazinyl]ethanesulphonic acid)
Specification Test Results
Appearance | White Crystalline powder |
Infrared spectrum | Conforms |
Loss on drying | ≤0.5 % (105°C) |
UV | at 260 nm A: ≤0.1 |
UV | at 280 nm A: ≤0.1 |
UV | (0.5 M in water) |
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 |
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