Synonyms: 4-(2-Hydroxyethyl)-1-piperazinepropanesulfonic acid; 4-(2-Hydroxyethyl)piperazine-1-propanesulfonic acid; N-(2-Hydroxyethyl)piperazine-N′-(3-propanesulfonic acid); HEPPS
Formula: C9H20N2O4S
Formula Weight: 252.33
CAS No.: 16052-06-5
Purity: ≥99.5% (titration)
Abs.: A1M/260, H2O ≤0.1
Anion Traces: bromide (Br-): ≤0.1%
Assay: ≥99.5% (titration)
Cation Traces: Ca: ≤0.002%
Ign. Residue: ≤0.1%
Impurities: ≤0.1% Insoluble matter
MP: 237-239°C(lit.)
pH: 5.0-7.0 (20°C, 1 M in H2O)
pKa: 8
Product Line: BioXtra
Solubility: H2O: soluble1 M at 20°C, clear, colorless
Useful pH Range: 7.3 - 8.7