HEPES-2-[4-(2-Hydroxyethyl)-1-piperazinyl]-ethanesulfonic acid free acid, anhydrous ≥99.5%, Bioreagent

Supplier: VWR

Synonyms: 2-(4-(2-Hydroxyethyl)piperazin-1-yl)ethanesulfonic acid4-(2-Hydroxyethyl)piperazin-1-ylethanesulfonic acidHEPES free acid

VWRB30487-25KGEA 22114.03 CAD
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)
MDL Number: MFCD00006158
CAS Number: 7365-45-9
Merck Index: 13,04672

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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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