HEPES (2-[4-(2-hydroxyethyl)-1-piperazinyl]ethanesulphonic acid) ≥99.5% (by titrimetric analysis), cGMP-manufactured

: Spectrum Chemical

HEPES (2-[4-(2-hydroxyethyl)-1-piperazinyl]ethanesulphonic acid) ≥99.5% (by titrimetric analysis), cGMP-manufactured

: Spectrum Chemical

:7365-45-9

:C₈H₁₈N₂O₄S

:MFCD00006158

:238.31 g/mol

:Ambient

:230-907-9

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APPEARANCE:
WHITE FINE POWDER
ASSAY (TITRATION):
min. 99.5 %
pH OF A 5% AQUEOUS SOLUTION:
4.5 - 6.5
pKa @ 25°C:
7.35- 7.75
Absorbance @ 260 nm (0.05 M in water):
max. 0.05 AU
Absorbance @ 280 nm (0.05 M in water):
max. 0.03 AU
WATER (KF):
max. 0.5 %
HEAVY METALS (as Pb) :
max. 5 ppm
INSOLUBLE MATTER :
max. 0.1 %
TOTAL AEROBIC MICROBIAL COUNT :
max. 100 cfu/g
TOTAL YEAST AND MOLD COUNT :
max. 100 cfu/g
BACTERIAL ENDOTOXIN:
As reported