HEPES (2-[4-(2-hydroxyethyl)-1-piperazinyl]ethanesulphonic acid) free acid ≥99.5%, Ultrapure

Supplier: Apollo Scientific
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Synonyms: 4-(2-Hydroxyethyl)piperazin-1-ylethanesulphonic acid2-(4-(2-Hydroxyethyl)piperazin-1-yl)ethanesulphonic acidN-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulphonic acid)N-2-Hydroxyethylpiperazine-N′-2-ethanesulphonic acidHEPES free acid

APOSBI8181-100GEA 10.6 GBP
APOSBI8181-100G APOSBI8181-250G APOSBI8181-1KG
HEPES (2-[4-(2-hydroxyethyl)-1-piperazinyl]ethanesulphonic acid) free acid ≥99.5%, Ultrapure
HEPES (4-(2-Hydroxyethyl)piperazin-1-ylethanesulphonic acid)

Biological buffer - useful range 6.8 - 8.2


  • Heavy metals: <1 ppm
  • pKa @ 20°C: 7.55 +/- 0.2

Formula: C₈H₁₈N₂O₄S
MW: 238.31 g/mol
Melting Pt: 238…240 °C
Storage Temperature: Ambient
MDL Number: MFCD00006158
CAS Number: 7365-45-9
EINECS: 230-907-9
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