HEPES (2-[4-(2-Hydroxyethyl)-1-piperazinyl]ethansulfonsäure) ≥99,5% (durch titrimetrische Analyse), cGMP Herstellung
Supplier: Spectrum Chemical
Certificates
About this item
CAS Number:7365-45-9
:
Formula:C₈H₁₈N₂O₄S
MDL Number:MFCD00006158
:238.31 g/mol
Storage Temperature:Raumtemperatur
EINECS:230-907-9
Specification Test Results
- 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
Specification Test Results
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