HEPES (2-[4-(2-hydroxyethyl)-1-piperazinyl]ethanesulphonic acid) ≥99.5% (by titrimetric analysis on dry substance) non cGMP-manufactured, bioCERTIFIED™, Bioprocess Grade Micro and Endotoxin Tested
Supplier: Spectrum ChemicalTotal Ratings: 0
Avg. Ratings: 0.0 out of 5
Synonyms:
4-(2-Hydroxyethyl)piperazin-1-ylethanesulphonic acid
, 2-(4-(2-Hydroxyethyl)piperazin-1-yl)ethanesulphonic acid
, N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulphonic acid)
, N-2-Hydroxyethylpiperazine-N′-2-ethanesulphonic acid
, HEPES free acid
Spectrum Chemical bioCERTIFIED™ products are uniquely suited for bioprocessing by biopharmaceutical manufacturers. From drug discovery to pilot and scale-up to production, bioCERTIFIED™ products help simplify and standardize bioprocessing by ensuring consistent raw material quality.
Formula:
C₈H₁₈N₂O₄S MW: 238.31 g/mol Storage Temperature: Ambient |
MDL Number:
MFCD00006158 CAS Number: 7365-45-9 EINECS: 230-907-9 |
Specification Test Results
ASSAY (TITRATION; DRIED BASIS) | min.99.5 % |
APPEARANCE | White Powder |
SOLUBILITY (1M in H2O) | Clear and complete |
pKa @ 25°C | 7.45-7.65 |
pH (5% in water) | 5.0-6.5 |
LOSS ON DRYING, 140°C, 30 MINUTES | max. 0.5% |
RESIDUE ON IGNITION/SULFATED ASH | max. 0.1% |
UV ABSORBANCE @ 260 nm (1M in water) | max 0,05 |
UV ABSORBANCE @ 280 nm (1M in water) | max 0,04 |
UV Absorbance @ 290 nm (33% in water) | max 0,05 |
UV ABSORANCE @ 405 nm (1M in water) | max 0,01 |
HEAVY METALS | max 5 ppm |
ENDOTOXINS | max.0.002 EU/mg |
BIOBURDEN | max.1000 CFU/g |
BIOBURDEN YEAST AND MOLD COUNT | max.100 CFU/g |
DNase | Not detected |
PROTEASE | Not detected |
RNase | Not detected |
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