EPPS (HEPPS, 4-(2-Hydroxyethyl)-1-piperazinepropanesulfonic acid), white powder

Supplier: MP BIOMEDICALS (FKA ICN BIOMED
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Synonyms: HEPPS4-(2-Hydroxyethyl)-1-piperazinepropanesulphonic acid3-[4-(2-Hydroxyethyl)-1-piperazinyl]propanesulfonic acid4-(2-Hydroxyethyl)piperazine-1-propanesulphonic acid3-[4-(2-Hydroxyethyl)-1-piperazinyl]propanesulphonic acid4-(2-Hydroxyethyl)piperazine-1-propanesulfonic acidN-(2-Hydroxyethyl)piperazine-N′-(3-propanesulfonic acid)N-(2-Hydroxyethyl)piperazine-N′-(3-propanesulphonic acid)3-[4-(2-Hydroxyethyl)-1-piperazinyl]-propanesulfonic acid4-(2-Hydroxyethyl)-1-piperazinepropanesulfonic acid3-[4-(2-Hydroxyethyl)-1-piperazinyl]-propanesulphonic acid

0210192725 0210192780 0210192783 0210192791
IC0210192783EA 266.22 USD
IC0210192783 IC0210192780 IC0210192791 IC0210192725
EPPS (HEPPS, 4-(2-Hydroxyethyl)-1-piperazinepropanesulfonic acid), white powder
EPPS (HEPPS, 4-(2-Hydroxyethyl)-1-piperazinepropanesulphonic acid)

HEPPS is the propane analog of HEPES.
HEPPS is used as a separator in ultrathin isoelectric focusing gels; enhances the resolution of phosphoglucomutase. HEPES is widely used in cell culture, largely because it is better at maintaining physiological pH despite changes in carbon dioxide concentration (produced by cellular respiration).


  • Presentation: White Powder
  • Soluble in water (1 M - clear, colorless solution).

Formula: C₉H₂₀N₂O₄S
MW: 252.33 g/mol
Melting Pt: 230…239 °C (lit.)
Storage Temperature: Ambient
MDL Number: MFCD00006160
CAS Number: 16052-06-5

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Specification Test Results

Identity Test Passes
FTIR Conforms to Standard
pH (1% aq soln) 5-7
Assay (Titration) ≥99.0%
Loss on Drying ≤1.0%
pKa (25°C) 7.8-8.2
UV (0.1M in H2O) A260nm ≤0.02
UV (0.1M in H2O) A280nm ≤0.02

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