HEPES-2-[4-(2-Hydroxyethyl)-1-piperazinyl]-ethanesulfonic acid free acid, anhydrous ≥99.5%, Bioreagent
Supplier: VWR
Synonyms:
4-(2-Hydroxyethyl)piperazin-1-ylethanesulfonic acid
VWRVVWRB30487-1KG
VWRVVWRB30487-25KG
VWRVVWRB30487-5KG
VWRB30487-25KGEA
15504.31
USD
VWRB30487-25KG
VWRB30487-5KG
VWRB30487-1KG
HEPES-2-[4-(2-Hydroxyethyl)-1-piperazinyl]-ethanesulfonic acid free acid, anhydrous ≥99.5%, Bioreagent
HEPES (4-(2-Hydroxyethyl)piperazin-1-ylethanesulphonic acid)
Suitable for bioprocessing. BSE/TSE Free. Manufactured in USA. Custom Packaging and Testing Available. Change Management. Sample availability.
Formula:
C₈H₁₈N₂O₄S MW: 238.31 g/mol Melting Pt: 210…215 °C Density: 1.448 g/cm³ (20 °C) Storage Temperature: Ambient |
MDL Number:
MFCD00006158 CAS Number: 7365-45-9 EINECS: 230-907-9 Merck Index: 13,04672 |
Specification Test Results
Appearance | white crystalline powder |
Assay (By titration) | NLT 99.5% |
Absorbance (1M solution in H2O) 260nm | NMT 0.10 |
Absorbance (1M solution in H2O) 280nm | NMT 0.10 |
Identification (by IR) | conforms to structure |
pKa (@ 20ºC) | 7.45 to 7.65 |
Residue On Ignition | NMT 0.3% |
Solubility (1M solution in H2O) | clear, colorless, complete |
Water (KFT) | NMT 0.5% |
Heavy Metals (as Pb) | NMT 5 ppm |
Calcium (Ca) | NMT 5 ppm |
Copper (Cu) | NMT 5 ppm |
Iron (Fe) | NMT 5 ppm |
Magnesium (Mg) | NMT 5 ppm |
Manganese (Mn) | NMT 5 ppm |
Bioburden | NMT 100 CFU/g |
Cell Culture Toxicity (at 12g/L) | Passes test |
Endotoxin (0.2% solution in H2O) | NMT 0.1 EU/mg |
DNase | none detected |
RNase | none detected |
Protease | none detected |
Additional Information | Retest Date (4 Yrs form Manufacture) |
Additional Information | Country of Origin: USA |
Additional Information | Material is of non-animal, non-human origin |
Additional Information | Storage Conditions: 15°C to 30°C |
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