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HEPES (2-[4-(2-hydroxyethyl)-1-piperazinyl]ethanesulphonic acid) free acid ≥99%, high purity

Supplier: VWR Chemicals

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0511-250GEA 6321.1 INR InStock
0511-250G 0511-50G
HEPES (2-[4-(2-hydroxyethyl)-1-piperazinyl]ethanesulphonic acid) free acid ≥99%, high purity
HEPES (4-(2-Hydroxyethyl)piperazin-1-ylethanesulphonic acid)
HEPES is a general purpose buffer available for biological research.

Has been used to advantage in tissue culture, oxidative phosphorylation, protein synthesis with cell-free bacterial systems, photophosphorylation and CO₂ fixation. Suitable buffer for TEM studies (Transmission Electron Microscopy) as it does not affect metal substrates. Recommended buffer for glutamate binding assays, preventing binding to non receptor materials.


Formula: C₈H₁₈N₂O₄S
MW: 238.31 g/mol
Melting Pt: 234 °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
https://qa.digitalassets.avantorsciences.com/adaptivemedia/rendition?id=4cdc09c866676149941b93b2cac8d453175059a2&vid=2209af1f39056d621b3c53488e816f5332a603f5&prid=web&clid=SAPDAM https://qa.digitalassets.avantorsciences.com/adaptivemedia/rendition?id=cc04763bdb604a22b88a12360e93b1d1b17277e0&vid=72fcc850bfa92eaa75b004604d5e1dc9e7144633&prid=web&clid=SAPDAM
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Specification Test Results
DNase none detected
Heavy Metals (as Pb) ≤0.0005%
Iron ≤0.0005%
pKa @20 °C 7.45 – 7.65
Protease none detected
Purity (Dry Basis) >99%
Residue on Ignition <0.2%
RNase none detected

 

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